Acquisition method (AMC)
1
FSC 4320 × SEAL ASSEMBLY,SHAFT,SPRING LOADE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
4320-01-221-8771 FSC 4320
NSN 4320-01-221-8771 (also written 4320012218771; NIIN 01-221-8771) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 19 manufacturer part numbers from 7 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | CONSISTS OF SPRING HOLDER,SPRING,ELASTOMER BELLOWS,DRIVING BAND,DRIVING NOTCH,DISC,RETAINER,PRIMARY SEALING RING,MATING RING,O-RING; TEMPERATURE RANGE MINUS 40 DEG TO 400 DEG F; PRESSURE,750 PSI; 2.375 IN. SHAFT DIA |
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 |
|---|---|---|
| 4320PL1287915 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 62677414 | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD |
| 62677414 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
| CF-SP-65856 | 71724 | JOHN CRANE, INC |
| CF-SP-65856TY1-SZ2.375-BP15MDM | 71724 | JOHN CRANE, INC |
| CF-SP-65856TY1-SZ2.375-XP15M015M | 71724 | JOHN CRANE, INC |
| CF-SP-65856TY1-SZ2.375-XP15MDM | 71724 | JOHN CRANE, INC |
| CF-SP-65856TY1-SZ2.375XF91MO15M | 71724 | JOHN CRANE, INC |
| CF-SP-65856TYI- | 71724 | JOHN CRANE, INC |
| CFSP-65856,TY1-SZ2.375-XF15MO15M | 71724 | JOHN CRANE, INC |
| CPS-2375-4 | 1ED54 | ADVANCED SEAL TECHNOLOGY INC |
| CPS-2375-44 REV A | 1ED54 | ADVANCED SEAL TECHNOLOGY INC |
| CPS-2375-44 REV B | 1ED54 | ADVANCED SEAL TECHNOLOGY INC |
| CPS-2375-44C | 1ED54 | ADVANCED SEAL TECHNOLOGY INC |
| M396-47 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. |
| M39647 | 71724 | JOHN CRANE, INC |
| NSP00307 XF91M015M | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. |
| NSP00307 XF91M015M | 0SYN4 | WARTSILA LIPS INC |
| PL-11828-F-18 PIECE 429 | 88032 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING |
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
$1,172.70
Purchases
1
Total spend
$16,418
Oct 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$32,836
Total demand
$1,172.70
Latest unit price
Purchase history
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 29, 2026 | SPE7M127P0847 ↗ | — | — | $16,418 |
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 7X0Z6
last award Oct 2026
ADVANCED SEAL TECHNOLOGY INC
no award yet
no awards on record
Listed source CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING
no award yet
no awards on record
Listed source CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD
no award yet
no awards on record
Listed source DEFENSE MARITIME SOLUTIONS, INC.
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source JOHN CRANE, INC
no award yet
no awards on record
Listed source WARTSILA LIPS INC
no award yet
no awards on record
Listed source CAGE 7X0Z6 won the only award on record. CAGE 7X0Z6 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-T-0306 | Oct 8, 2026 | Oct 19, 2026 | 14 | 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: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL ASSEMBLY,SHAFT,SPRING LOADE." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-221-8771/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-221-8771/