Acquisition method (AMC)
3
FSC 4320 × IMPELLER,PUMP,CENTRIFUGAL
IMPELLER,PUMP,CENTRIFUGAL
4320-00-139-3950 FSC 4320
NSN 4320-00-139-3950 (also written 4320001393950; NIIN 00-139-3950) is an impeller, pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.
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)
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 |
|---|---|
| ROTATION DIRECTION FOR WHICH DESIGNED AYSY | CLOCKWISE |
| HUB BORE DIAMETER BDDS | SINGLE INCHES NOMINAL 2.469 AND INCHES NOMINAL 3.000 |
| HUB LOCATION BDJW | BACK SIDE AND FRONT SIDE |
| OVERALL WIDTH ABMK | INCHES NOMINAL 2.313 |
| KEYWAY WIDTH ABRR | INCHES NOMINAL 0.188 |
| KEYWAY DEPTH ABRV | INCHES NOMINAL 0.094 |
| OVERALL DIAMETER ADAV | INCHES NOMINAL 6.750 |
| KEYWAY QUANTITY AEVE | 1 |
| KEYWAY LENGTH AFYS | INCHES NOMINAL 1.375 |
| BLADE QUANTITY AJLB | 5 |
| DESIGN TYPE APGF | SINGLE WIDTH |
| HUB PROJECTION LENGTH BEYOND WHEEL SIDE CPWW | INCHES NOMINAL 1.063 AND INCHES NOMINAL 0.500 |
| BLADE TYPE ANCT | BACKWARD CURVE |
| HUB LENGTH AJLJ | FIRST INCHES NOMINAL 0.500 |
| HUB LENGTH AJLJ | SECOND INCHES NOMINAL 0.500 |
| SPECIAL FEATURES FEAT | SHAFT DIA ACCOMMODATED IS 0.750 INCH |
| MATERIAL MATT | STEEL CORROSION RESISTING |
| KEYWAY TYPE CPWX | RECTANGULAR |
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 |
|---|---|---|
| NF12244-000NCU6 | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS |
| NF12244-000NICU6750 | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS |
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
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-26-T-308P | Aug 26, 2026 | Sep 8, 2026 | 4 | Expired | View at DIBBS → |
| SPE7M1-26-T-277M | Aug 13, 2026 | Aug 24, 2026 | 4 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "IMPELLER,PUMP,CENTRIFUGAL." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-00-139-3950/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-00-139-3950/