Acquisition method (AMC)
3
FSC 4320 × SEAL ASSEMBLY,SHAFT,SPRING LOADE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
4320-01-413-3899 FSC 4320
NSN 4320-01-413-3899 (also written 4320014133899; NIIN 01-413-3899) is a seal assembly, shaft, spring loade in Federal Supply Class 4320, Power and Hand Pumps. 6 manufacturer part numbers from 4 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 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 |
|---|---|
| OVERALL LENGTH ABHP | MILLIMETERS NOMINAL 45.5 |
| OVERALL DIAMETER ADAV | MILLIMETERS NOMINAL 73.0 |
| END ITEM IDENTIFICATION AGAV | ENGINE, DIESEL P/N 3608/109-3839 ONBOARD 225 FT WLB COAST GUARD VESSELS |
| MATERIAL MATT | STEEL AND RUBBER SYNTHETIC |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 1W2548 ITEM 5 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE |
| 2925982 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE |
| 31-175-56B | 5G587 | KISTLER EQUIPMENT CO |
| 9Y-5632 | 0141B | NAVANTIA SA SME. DIV NAVANTIA HQ |
| 9Y-5632 | 409BB | NAVANTIA - PROPULSION Y ENERGIA MOTORES - CARTAGENA |
| 9Y5632 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE |
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
—
Oct 14, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,032
Total demand
$507.56
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 |
|---|---|---|---|---|
| Sep 24, 2026 | SPE7LX21D0087/SPE7LX26FBT64 ↗ | ATLANTIC DIVING SUPPLY, INC. DBA ADS | — | $524.29 |
| Oct 14, 2026 | SPE7LX21D0087/SPE7LX27FA04L ↗ | ATLANTIC DIVING SUPPLY, INC. DBA ADS | — | $507.56 |
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
ATLANTIC DIVING SUPPLY, INC. DBA ADS
last award Oct 2026
CATERPILLAR INC DIV CATERPILLAR DEFENSE
no award yet
no awards on record
Listed source KISTLER EQUIPMENT CO
no award yet
no awards on record
Listed source NAVANTIA - PROPULSION Y ENERGIA MOTORES - CARTAGENA
no award yet
no awards on record
Listed source NAVANTIA SA SME. DIV NAVANTIA HQ
no award yet
no awards on record
Listed source ATLANTIC DIVING SUPPLY, INC. DBA ADS won 2 of the last 2 awards. ATLANTIC DIVING SUPPLY, INC. DBA ADS 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 Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-15.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL ASSEMBLY,SHAFT,SPRING LOADE." nsnexplorer.com, https://nsnexplorer.com/nsn/4320-01-413-3899/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4320-01-413-3899/