Acquisition method (AMC)
3
FSC 6550 × TEST KIT,BACTERIA DETERMINATION
TEST KIT,BACTERIA DETERMINATION
6550-01-723-3649 FSC 6550
NSN 6550-01-723-3649 (also written 6550017233649; NIIN 01-723-3649) is a test kit, bacteria determination 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 |
|---|---|
| SPECIAL FEATURES FEAT | SINGLE USE, SELF-CONTAINED TEST WITH SELECTIVE MEDIUM DESIGNED TO DETECT COLIFORM, E. COLI, AND HYDROGEN SULFIDE PRODUCING ENTEROBACTERIACEAE (E.G., SALMONELLA, CITROBACTER) IN FOOD, BEVERAGES, AND WATERS. CONTAINS A SPECIAL "GELLING" AGENT THAT ALLOWS QUANTITATION OF COLONY FORMING UNITS AS WELL AS PRESENCE/ABSENCE DETERMINATION. DETECTS 1CFU/100ML IN WATER AND 1CFU/3ML IN JUICE; SHOWS RESULTS IN 28 HOURS; PACKAGE CONTAINS 25 TESTS. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | PATHOGEL TEST, 25S |
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 |
|---|---|---|
| 1674190 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 6550NCM249830 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| PATH-25K | 0ADJ4 | CHARM SCIENCES INC |
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
$281.09
Purchases
5
Total spend
$4,458
Oct 23, 2026
Last purchased
11 · 11.0/yr
Purchase records
$9,244
Total demand
$281.09
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, Sep 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $281 and $321.
Price by order quantity
How does the price change with quantity, and what did past awards near an open solicitation's quantity pay?
No solicitation is open for this item right now.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$292
Weighted by quantity$293
Observed range$281 – $313
Window coveredOct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 4 | $281 | CHARM SCIENCES INC |
| Oct 2026 | 4 | $281 | CHARM SCIENCES INC |
| Oct 2026 | 5 | $313 | CHARM SCIENCES INC |
| Sep 2026 | 1 | $326 | CHARM SCIENCES INC |
| Sep 2026 | 1 | $321 | CHARM SCIENCES 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 23, 2026 | 4 | $281.09 | $1,124 | CHARM SCIENCES INC (0ADJ4) | Unknown | Source ↗ |
| Oct 21, 2026 | 4 | $281.09 | $1,124 | CHARM SCIENCES INC (0ADJ4) | Unknown | Source ↗ |
| Oct 13, 2026 | 5 | $312.53 | $1,563 | CHARM SCIENCES INC (0ADJ4) | Unknown | Source ↗ |
| Sep 17, 2026 | 1 | $326.03 | $326.03 | CHARM SCIENCES INC (0ADJ4) | Unknown | Source ↗ |
| Sep 15, 2026 | 1 | $320.50 | $320.50 | CHARM SCIENCES INC (0ADJ4) | 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 10, 2026 | SPE2DS26V8653 ↗ | CHARM SCIENCES INC | — | $327.72 |
| Sep 15, 2026 | SPE2DS26V9874 ↗ | CHARM SCIENCES INC | — | $320.50 |
| Sep 17, 2026 | SPE2DS26V000E ↗ | CHARM SCIENCES INC | — | $326.03 |
| Oct 13, 2026 | SPE2DS27P0139 ↗ | CHARM SCIENCES INC | — | $1,563 |
| Oct 21, 2026 | SPE2DS27V0693 ↗ | CHARM SCIENCES INC | — | $1,124 |
| Oct 23, 2026 | SPE2DS27V0751 ↗ | CHARM SCIENCES INC | — | $1,124 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 6 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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 20 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
CHARM SCIENCES INC
last award Oct 2026
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 CHARM SCIENCES INC won 5 of the last 5 awards.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DS-27-T-0124 | Oct 2, 2026 | Oct 7, 2026 | 4 | Expired | View at DIBBS → |
| SPE2DS-26-T-488G | Sep 30, 2026 | Oct 5, 2026 | 4 | Cancelled | View at DIBBS → |
| SPE2DS-26-T-459P | Sep 22, 2026 | Sep 28, 2026 | 5 | Expired | View at DIBBS → |
| SPE2DS-26-T-410L | Sep 9, 2026 | Sep 14, 2026 | 4 | Expired | View at DIBBS → |
| SPE2DS-26-T-396J | Sep 3, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DS-26-T-368P | Aug 26, 2026 | Aug 31, 2026 | 1 | Expired | 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: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "TEST KIT,BACTERIA DETERMINATION." nsnexplorer.com, https://nsnexplorer.com/nsn/6550-01-723-3649/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/6550-01-723-3649/