Acquisition method (AMC)
3
FSC 4320 × PUMP,CENTRIFUGAL
PUMP,CENTRIFUGAL
4320-01-518-5050 FSC 4320
NSN 4320-01-518-5050 (also written 4320015185050; NIIN 01-518-5050) is a pump, centrifugal in Federal Supply Class 4320, Power and Hand Pumps. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 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)
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 |
|---|---|
| TYPE/MODEL DESIGNATION TMDN | DARLEY PSE1000 |
| OPERATING SPEED AT RATED CAPACITY AHYZ | REVOLUTIONS PER MINUTE 1790.0 |
| END ITEM IDENTIFICATION AGAV | 4210-01-486-1035 |
| MAXIMUM DISCHARGE FLOW RATE AHYV | GALLONS PER MINUTE 1000.0 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | PUMP |
| SPECIAL FEATURES FEAT | ENGINE MODEL: DEUTZBF6M1013C 208HP 24V, PUMP TRANSMISSION RATIO:1.83:1, TRANSMISSION ORIENTATION: INVERTED, IMPELLER DIA: 11IN., IMPELLER DESIGN: SPLINED, END-SUCTION WITH DOUBLE LABYRINTH SEAL RINGS, DRIVE SHAFT: 1.38IN.-10 SPLINED, HEAT TREATED, SILICON CARBIDE MECHANICAL SEAL, INLET: 6IN. VICTAULIC, OUTLET: 5IN. WELD FLANGE. |
| DISCHARGE CONNECTION TYPE AAYW | ROUND FLANGE |
| PUMP ROTATION DIRECTION AHZD | COUNTERCLOCKWISE |
| DRIVE SHAFT END DIAMETER AJAC | INCHES NOMINAL 1.380 |
| CENTRIFUGAL PUMP IMPELLER SUCTION TYPE AHZG | DOUBLE |
| END ITEM NAME AHZK | CHEMTT |
| STAGE QUANTITY AAYD | 1 |
| INTAKE CONNECTION QUANTITY AAYT | 1 |
| DISCHARGE CONNECTION QUANTITY AAYV | 1 |
| CENTRIFUGAL PUMP IMPELLER QUANTITY AHZF | 1 |
| DRIVE CONNECTION TYPE AAYX | GEAR |
| SUCTION LIFT AHYY | FEET 10.000 |
| DISCHARGE PRESSURE AHYW | POUNDS PER SQUARE INCH GAUGE (PSIG) 150.0 |
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 |
|---|---|---|
| FP00900 | 5B337 | W S DARLEY & CO DIV DARLEY PUMP DIVISION |
| PSE1000 | 5B337 | W S DARLEY & CO DIV DARLEY PUMP DIVISION |
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
—
Aug 11, 2026
Last purchased
1 · 1.0/yr
Purchase records
$57,786
Total demand
$57,786
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 |
|---|---|---|---|---|
| Aug 11, 2026 | SPE7M126P9461 ↗ | KAMPI COMPONENTS CO INC | — | $57,786 |
Demand history
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
KAMPI COMPONENTS CO INC
last award Aug 2026
W S DARLEY & CO DIV DARLEY PUMP DIVISION
no award yet
no awards on record
Listed source KAMPI COMPONENTS CO INC won the only award on record. KAMPI COMPONENTS CO INC won without being a listed source.
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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PUMP,CENTRIFUGAL." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-518-5050/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-518-5050/