Acquisition method (AMC)
1
FSC 4320 × SEAL ASSEMBLY,SHAFT,SPRING LOADE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
4320-00-477-2584 FSC 4320
NSN 4320-00-477-2584 (also written 4320004772584; NIIN 00-477-2584) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 10 manufacturer part numbers from 4 suppliers 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 | CONSIST OF STATOR RING,GASKET,MATING RING,BELLOWS,RETAINER,SPRING,DISC,DRIVE BAND,SPRING HOLDER,3.625 IN. BORE DIA,1.250 IN. SHAFT DIA,1.500 IN. INSTALLED LG,2.062 IN. SEAL OD |
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 |
|---|---|---|
| B05175 | 71724 | JOHN CRANE, INC |
| B057175 | 71724 | JOHN CRANE, INC |
| FSP14807 | 71724 | JOHN CRANE, INC |
| H-SP-4721-1 | 71724 | JOHN CRANE, INC |
| H-SP-4721-1 X-F911O151 (316) | 0SYN4 | WARTSILA LIPS INC |
| H-SP-4721-1 X-F911O151 (316) | 71724 | JOHN CRANE, INC |
| HSP-4721-1 BF50171 | 71724 | JOHN CRANE, INC |
| HSP4721-1 BF50171 | 0SYN4 | WARTSILA LIPS INC |
| PP046JDL | 16712 | SIEMENS ENERGY, INC. |
| PP046JDL | 59180 | CIRCOR PUMPS NORTH AMERICA LLC |
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 25, 2026
Last purchased
1 · 1.0/yr
Purchase records
$11,136
Total demand
$11,136
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 25, 2026 | SPE7M126V103J ↗ | DREAMFIND, INC. DBA DREAMFIND INC | — | $11,136 |
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
DREAMFIND, INC. DBA DREAMFIND INC
last award Aug 2026
CIRCOR PUMPS NORTH AMERICA LLC
no award yet
no awards on record
Listed source JOHN CRANE, INC
no award yet
no awards on record
Listed source SIEMENS ENERGY, INC.
no award yet
no awards on record
Listed source WARTSILA LIPS INC
no award yet
no awards on record
Listed source DREAMFIND, INC. DBA DREAMFIND INC won the only award on record. DREAMFIND, INC. DBA DREAMFIND 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 1, 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/4320-00-477-2584/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4320-00-477-2584/