Acquisition method (AMC)
3
FSC 6640 × INDICATOR,AIRFLOW
INDICATOR,AIRFLOW
6640-01-500-7721 FSC 6640
NSN 6640-01-500-7721 (also written 6640015007721; NIIN 01-500-7721) is an indicator, airflow in Federal Supply Class 6640, Laboratory Equipment and Supplies. 8 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
Z
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC Z: a commercial, nondevelopmental or off-the-shelf item. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| END ITEM IDENTIFICATION AGAV | USED TO GIVE A VISUAL INDICATION OF AIRFLOW DURING SETUP AND DURING DECONTAMINATION |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | INDICATOR AIRFLOW USED TO GIVE A VISUAL INDICATION OF AIRFLOW |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 02-1654 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 6640NCM021003 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| C420 AIRFLOW INDICATOR | 1JDR0 | SAFETY TECH INTERNATIONAL INC. |
| C420 AIRFLOW INDICATOR | 4V009 | AIRBOSS DEFENSE GROUP, LLC |
| LAP000878 | Z0YR8 | LEIDOS AUSTRALIA PTY LIMITED |
| NC1114251 | 22527 | FISHER SCIENTIFIC COMPANY L.L.C. |
| S-30020-001 | 1JDR0 | SAFETY TECH INTERNATIONAL INC. |
| S-30020-001 | 4V009 | AIRBOSS DEFENSE GROUP, LLC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$57.00
Purchases
5
Total spend
$277.25
Oct 15, 2026
Last purchased
13 · 13.0/yr
Purchase records
$829.50
Total demand
$57.00
Latest unit price
Price history with quantity and a typical range
What has the government paid for this item, and was any award out of line? Every award as a dot, Aug 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $55.00 and $55.25.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$55.75
Weighted by quantity$55.75
Observed range$55.00 – $57.00
Window coveredSep 2026 – Oct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 1 | $57.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
| Sep 2026 | 1 | $55.25 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
| Sep 2026 | 1 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
| Sep 2026 | 1 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
| Aug 2026 | 1 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC |
Shaded rows are included. This reports past awards and does not suggest a price.
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | 1 | $57.00 | $57.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
| Sep 17, 2026 | 1 | $55.25 | $55.25 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
| Sep 15, 2026 | 1 | $55.00 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
| Sep 1, 2026 | 1 | $55.00 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
| Aug 31, 2026 | 1 | $55.00 | $55.00 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 31, 2026 | SPE2DH26V2942 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $55.00 |
| Sep 1, 2026 | SPE2DH26V2964 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $55.00 |
| Sep 15, 2026 | SPE2DH26V3163 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $109.00 |
| Sep 15, 2026 | SPE2DH26V3163 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $109.00 |
| Sep 15, 2026 | SPE2DH26V3124 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $55.00 |
| Sep 17, 2026 | SPE2DH26P1283 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $55.25 |
| Oct 14, 2026 | SPE2DH27V0148 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $57.00 |
| Oct 15, 2026 | SPE2DH27V0161 ↗ | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | $57.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 5 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 18 days from posting to award. Most of that came after quotes closed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC
last award Oct 2026
AIRBOSS DEFENSE GROUP, LLC
no award yet
no awards on record
Listed source DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA
no award yet
no awards on record
Listed source DEFENSE MEDICAL STANDARDIZATION BOARD
no award yet
no awards on record
Listed source FISHER SCIENTIFIC COMPANY L.L.C.
no award yet
no awards on record
Listed source LEIDOS AUSTRALIA PTY LIMITED
no award yet
no awards on record
Listed source SAFETY TECH INTERNATIONAL INC.
no award yet
no awards on record
Listed source SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC won 5 of the last 5 awards. SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DH-27-T-0015 | Oct 2, 2026 | Oct 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-6271 | Aug 26, 2026 | Sep 1, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-6105 | Aug 20, 2026 | Aug 26, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-6076 | Aug 18, 2026 | Aug 24, 2026 | 1 | Cancelled | View at DIBBS → |
| SPE2DH-26-T-5951 | Aug 13, 2026 | Aug 19, 2026 | 1 | Cancelled | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "INDICATOR,AIRFLOW." nsnexplorer.com, https://nsnexplorer.com/nsn/6640-01-500-7721/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6640-01-500-7721/