Acquisition method (AMC)
3
FSC 4320 × PUMP,ROTARY
PUMP,ROTARY
4320-01-181-8659 FSC 4320
NSN 4320-01-181-8659 (also written 4320011818659; NIIN 01-181-8659) is a pump, rotary in Federal Supply Class 4320, Power and Hand Pumps. 5 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M1-27-T-0289 | 3 | Closes today | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| MOUNTING TYPE AAXX | BASE |
| INTAKE CONNECTION QUANTITY AAYT | 1 |
| INTAKE CONNECTION TYPE AAYU | ROUND FLANGE |
| DISCHARGE CONNECTION QUANTITY AAYV | 1 |
| DISCHARGE CONNECTION TYPE AAYW | ROUND FLANGE |
| DRIVE CONNECTION TYPE AAYX | RIGID COUPLED |
| END ITEM IDENTIFICATION AGAV | VIKING PUMPS MODEL BA-1311 ROTARY PUMP UNIT |
| MAXIMUM DISCHARGE FLOW RATE AHYV | GALLONS PER MINUTE 35.0 |
| DISCHARGE PRESSURE AHYW | POUNDS PER SQUARE INCH GAUGE (PSIG) 50.0 |
| OPERATING SPEED AT RATED CAPACITY AHYZ | REVOLUTIONS PER MINUTE 1150.0 |
| PUMP ROTATION DIRECTION AHZD | CLOCKWISE |
| ROTARY PUMP DESIGN AHZR | GEAR |
| DRIVE SHAFT TYPE AJAB | MACHINE KEYWAY |
| OPERATION METHOD APHE | POWERED |
| MEDIA FOR WHICH DESIGNED MEDA | LOCATION NOT OTHERWISE SPECIFIED FUEL/OIL, HYDROCARBON |
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 |
|---|---|---|
| 5-1910-2942-503 | 63097 | VIKING PUMP, INC |
| BA-1311 | 63097 | VIKING PUMP, INC |
| BA-1311-1 | 63097 | VIKING PUMP, INC |
| BA-1311-ITEM 1 | 63097 | VIKING PUMP, INC |
| BA-1344-1 | 63097 | VIKING PUMP, 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
—
Purchases
0
Total spend
—
Sep 23, 2026
Last purchased
1 · 1.0/yr
Purchase records
$24,365
Total demand
$24,365
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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 |
|---|---|---|---|---|
| Sep 23, 2026 | SPE7M126PA684 ↗ | — | — | $24,365 |
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
CAGE 8VBR4
last award Sep 2026
VIKING PUMP, INC
no award yet
no awards on record
Listed source CAGE 8VBR4 won the only award on record. CAGE 8VBR4 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-T-0289 | Oct 8, 2026 | Oct 19, 2026 | 3 | Open | 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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PUMP,ROTARY." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-181-8659/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-181-8659/