Acquisition method (AMC)
3
FSC 6550 × CHLORINE TEST REAGENT
CHLORINE TEST REAGENT
6550-01-532-1483 FSC 6550
NSN 6550-01-532-1483 (also written 6550015321483; NIIN 01-532-1483) is a chlorine test reagent in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 3 manufacturer part numbers from 3 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 |
|---|---|
| PHYSICAL FORM AGXW | LIQUID |
| USAGE DESIGN ALCD | COLORIMETRIC ANALYSIS, DDPD METHOD, FREE & TOTAL CHLORINE |
| PRIMARY CONTAINER TYPE CQCT | AMPUL |
| SECONDARY CONTAINER TYPE CQGK | BOX |
| PRIMARY CONTAINER QUANTITY PER SECONDARY CONTAINER CRXL | AMPUL 30 |
| TOTAL PRIMARY CONTAINER QUANTITY CSCW | 30 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | REFILL KIT CHEMETS AMPOULES WATER SAMPLING CHLORINE |
| SPECIAL FEATURES FEAT | CHEMETS AMPOULE REFILL PACK FOR KIT K-2505; FOR LOW TO MEDIUM RANGE COLORIMETRIC ANALYSIS; EACH AMPOULE IS 7MM IN DIAMETER WITH TAPERED, PRESCORED TIP; VACUUM SEALED |
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 |
|---|---|---|
| 05-1362 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 6630NCM051192 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| R-2505 | 7K791 | AQUAPHOENIX SCIENTIFIC, 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
$35.18
Purchases
4
Total spend
$489.58
Oct 27, 2026
Last purchased
9 · 9.0/yr
Purchase records
$1,364
Total demand
$35.18
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 $34.99 and $122.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$152
Weighted by quantity$152
Observed range$34.95 – $384
Window coveredSep 2026 – Oct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 1 | $35.18 | PACIFIC STAR CORPORATION |
| Sep 2026 | 1 | $34.95 | PACIFIC STAR CORPORATION |
| Sep 2026 | 1 | $384 | PACIFIC STAR CORPORATION |
| Aug 2026 | 1 | $35.00 | MIDLAND SCIENTIFIC INC |
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 27, 2026 | 1 | $35.18 | $35.18 | PACIFIC STAR CORPORATION (4QNY3) | Unknown | Source ↗ |
| Sep 16, 2026 | 1 | $34.95 | $34.95 | PACIFIC STAR CORPORATION (4QNY3) | Unknown | Source ↗ |
| Sep 2, 2026 | 1 | $384.45 | $384.45 | PACIFIC STAR CORPORATION (4QNY3) | Unknown | Source ↗ |
| Aug 12, 2026 | 1 | $35.00 | $35.00 | MIDLAND SCIENTIFIC INC (6P701) | 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 12, 2026 | SPE2DS26V8750 ↗ | MIDLAND SCIENTIFIC INC | — | $35.00 |
| Sep 2, 2026 | SPE2DS26V9465 ↗ | PACIFIC STAR CORPORATION | — | $384.45 |
| Sep 2, 2026 | SPE2DS26V9465 ↗ | PACIFIC STAR CORPORATION | — | $384.45 |
| Sep 16, 2026 | SPE2DS26V9983 ↗ | PACIFIC STAR CORPORATION | — | $34.95 |
| Oct 27, 2026 | SPE2DS27V0804 ↗ | PACIFIC STAR CORPORATION | — | $35.18 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 4 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 11 days from posting to award.
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
PACIFIC STAR CORPORATION
last award Oct 2026
MIDLAND SCIENTIFIC INC
last award Aug 2026
AQUAPHOENIX SCIENTIFIC, 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 PACIFIC STAR CORPORATION won 3 of the last 4 awards. PACIFIC STAR CORPORATION and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DS-27-T-0451 | Oct 7, 2026 | Oct 13, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DS-26-T-379U | Sep 1, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DS-26-T-373U | Aug 26, 2026 | Aug 31, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DS-26-T-316B | Aug 7, 2026 | Aug 12, 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: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "CHLORINE TEST REAGENT." nsnexplorer.com, https://nsnexplorer.com/nsn/6550-01-532-1483/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6550-01-532-1483/