Acquisition method (AMC)
3
FSC 4320 × PUMP UNIT,CENTRIFUGAL
PUMP UNIT,CENTRIFUGAL
4320-01-677-4591 FSC 4320
NSN 4320-01-677-4591 (also written 4320016774591; NIIN 01-677-4591) is a pump unit, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 1 manufacturer part number from 1 supplier is 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 | |
|---|---|---|---|
| SPE7M0-27-T-0828 | 1 | Closes in 2d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| PRIME MOVER TYPE AKDJ | ELECTRIC MOTOR |
| PRIME MOVER POWER RATING CSYL | HORSEPOWER 1.500 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | VERTICAL BOOSTER PUMP |
| PHASE FAAZ | THREE |
| SPECIAL FEATURES FEAT | MATERIAL 304 STAINLESS STEEL |
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 |
|---|---|---|
| NV25B4FE3T | 3MRB8 | WEBER INDUSTRIES INC DBA WEBTROL 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
$2,070.82
Purchases
2
Total spend
$4,042
Nov 3, 2026
Last purchased
4 · 4.0/yr
Purchase records
$8,084
Total demand
$2,070.82
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 3, 2026 | 1 | $2,070.82 | $2,071 | LARKOS PACKING AND DISTRIBUTION INC. (6PZL1) | Unknown | Source ↗ |
| Sep 28, 2026 | 1 | $1,971.12 | $1,971 | KAMPI COMPONENTS CO INC (7Z016) | 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 |
|---|---|---|---|---|
| Sep 28, 2026 | SPE7M126V162U ↗ | KAMPI COMPONENTS CO INC | — | $1,971 |
| Nov 3, 2026 | SPE7M027V0520 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $2,071 |
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.
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 5 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
LARKOS PACKING AND DISTRIBUTION INC.
last award Nov 2026
KAMPI COMPONENTS CO INC
last award Sep 2026
WEBER INDUSTRIES INC DBA WEBTROL PUMPS
no award yet
no awards on record
Listed source LARKOS PACKING AND DISTRIBUTION INC. won 1 of the last 2 awards. LARKOS PACKING AND DISTRIBUTION INC. and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M0-27-T-0828 | Oct 29, 2026 | Nov 9, 2026 | 1 | Open | View at DIBBS → |
| SPE7M1-26-T-368G | Sep 23, 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: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PUMP UNIT,CENTRIFUGAL." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-677-4591/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-677-4591/