Acquisition method (AMC)
1
FSC 4320 × SEAL ASSEMBLY,SHAFT,SPRING LOADE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
4320-01-177-8403 FSC 4320
NSN 4320-01-177-8403 (also written 4320011778403; NIIN 01-177-8403) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 9 manufacturer part numbers from 4 suppliers 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-U-0679 | 55 | Closes in 2d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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.
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 |
|---|---|---|
| 091-087-02-E314 | 10941 | CARVER PUMP COMPANY |
| B06542 | 71724 | JOHN CRANE, INC |
| B74563 | 71724 | JOHN CRANE, INC |
| F-SD-2014TY1FIG | 71724 | JOHN CRANE, INC |
| F-SD-2014TY1FIG11-7/8BF1D1 | 71724 | JOHN CRANE, INC |
| FSD-2090 7/8IN BF5010151 (316) | 0SYN4 | WARTSILA LIPS INC |
| FSD-2090 7/8IN BF5010151 (316) | 71724 | JOHN CRANE, INC |
| FSD2090/B065-42 | 0EYA6 | DEFENSE MARITIME SOLUTIONS, INC. |
| FSD2090/B065-42 | 0SYN4 | WARTSILA LIPS 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
—
—
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.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M1-27-U-0679 | Oct 7, 2026 | Oct 21, 2026 | 55 | Open | View at DIBBS → |
| SPE7M1-26-U-6596 | Sep 22, 2026 | Oct 6, 2026 | 55 | 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. "SEAL ASSEMBLY,SHAFT,SPRING LOADE." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-177-8403/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-177-8403/