Acquisition method (AMC)
4
FSC 6550 × TEST KIT,WNV,SLE,AND EEE VIRUS A
TEST KIT,WNV,SLE,AND EEE VIRUS A
6550-01-621-1941 FSC 6550
NSN 6550-01-621-1941 (also written 6550016211941; NIIN 01-621-1941) is a test kit, wnv, sle, and eee virus a 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 4).
Suffix (AMSC)
Z
Competition
Coded for a named source
AMC 4: buy directly from the actual manufacturer, first 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 |
|---|---|
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | ANTIGEN PANEL ASSAY WNV SLE, EEE, 50 TEST STRIPS PER KIT |
| SPECIAL FEATURES FEAT | VECTORTEST WEST NILE VIRUS (WNV), SAINT LOUIS ENCEPHALITIS (SLE) VIRUS AND EASTERN EQUINE ENCEPHALITIS (EEE) VIRUS ANTIGEN PANEL ASSAY; RAPID DETECTION DIPSTICK TEST; 50 TEST STRIPS IN EACH KIT; FOR FIELD USE TO DETECT THE VIRUS IN INFECTED MOSQUITO VECTORS |
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 |
|---|---|---|
| 6550NCM139416 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| 837519 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| WSE-K050 | 3M5F7 | VECTOR TEST SYSTEMS, INC. DBA VECTOR TEST SYSTEMS |
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
$870.00
Purchases
1
Total spend
$870.00
Oct 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,740
Total demand
$870.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | 1 | $870.00 | $870.00 | VECTOR TEST SYSTEMS, INC. DBA VECTOR TEST SYSTEMS (3M5F7) | 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 |
|---|---|---|---|---|
| Oct 8, 2026 | SPE2DS27V0369 ↗ | VECTOR TEST SYSTEMS, INC. DBA VECTOR TEST SYSTEMS | — | $870.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
VECTOR TEST SYSTEMS, INC. DBA VECTOR TEST SYSTEMS
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 VECTOR TEST SYSTEMS, INC. DBA VECTOR TEST SYSTEMS won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DS-26-T-487Y | Sep 30, 2026 | Oct 5, 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: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "TEST KIT,WNV,SLE,AND EEE VIRUS A." nsnexplorer.com, https://nsnexplorer.com/nsn/6550-01-621-1941/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/6550-01-621-1941/