Acquisition method (AMC)
1
FSC 5330 × SEAL,PLAIN ENCASED
SEAL,PLAIN ENCASED
5330-01-306-4872 FSC 5330
NSN 5330-01-306-4872 (also written 5330013064872; NIIN 01-306-4872) is a seal, plain encased in Federal Supply Class 5330, Packing and Gasket Materials. 11 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Nov 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 |
|---|---|
| ACCOMMODATED SHAFT DIAMETER ABVM | INCHES NOMINAL 1.750 |
| SEAL WIDTH ADUC | INCHES NOMINAL 0.375 |
| CASE STYLE BHHL | — |
| HOUSING BORE DIAMETER CPCW | INCHES NOMINAL 2.500 |
| SEALING ELEMENT STYLE CTQC | — |
| MATERIAL MATT | SPRING STEEL CORROSION RESISTING |
| MATERIAL MATT | CASE ALUMINUM ALLOY 5052 OR ALUMINUM ALLOY 5083 OR ALUMINUM ALLOY 5086 |
| MATERIAL MATT | SEALING ELEMENT RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | CASE FED SPEC 1ST MATERIAL RESPONSE QQ-A-250 TO 8 OR FED SPEC 2ND MATERIAL RESPONSE QQ-A-200 TO 4 OR FED SPEC 2ND MATERIAL RESPONSE QQ-A-250 TO 6 OR FED SPEC 3RD MATERIAL RESPONSE QQ-A-200 TO 5 OR FED SPEC 3RD MATERIAL RESPONSE QQ-A-250 TO 7 QQ-A-250 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SPRING ASSN STD SINGLE MATERIAL RESPONSE AISI 300 SERIES |
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 |
|---|---|---|
| 0242-31720-00 | 91251 | FREUDENBERG-NOK GENERAL PARTNERSHIP DBA FREUDENBERG-NOK SEALING TECHNOLOGIES |
| 175-250-12-038851 | 71724 | JOHN CRANE, INC |
| 175-250-12-03EH51 | 5F893 | VANSEAL CORP |
| 175-250-12-03EH51 | 71724 | JOHN CRANE, INC |
| 5-01750-02500-012-11CW21 | 5F893 | VANSEAL CORP |
| 5428876-9 | 09257 | TRELLEBORG SEALING SOLUTIONS US, INC. |
| 5428876-9 | 0AMP4 | TRELLBORG SOMERSWORTH |
| 5428876-9 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 5428876-9 | A9271 | GORIZIANE GROUP SPA |
| 752-5944481 PIECE 18 | 2Y684 | WESTINGHOUSE ELECTRIC CORP MACHINERY TECHNOLOGY DIV |
| 752-5944481-18 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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
$382.30
Purchases
1
Total spend
$10,704
Nov 4, 2026
Last purchased
2 · 2.0/yr
Purchase records
$21,409
Total demand
$382.30
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 4, 2026 | 28 | $382.30 | $10,704 | III WILLIAMS LLC (1WP64) | Unknown | Source ↗ |
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 |
|---|---|---|---|---|
| Nov 4, 2026 | SPE7L327P0566 ↗ | III WILLIAMS LLC | — | $10,704 |
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
III WILLIAMS LLC
last award Nov 2026
FREUDENBERG-NOK GENERAL PARTNERSHIP DBA FREUDENBERG-NOK SEALING TECHNOLOGIES
no award yet
no awards on record
Listed source GORIZIANE GROUP SPA
no award yet
no awards on record
Listed source JOHN CRANE, INC
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source TRELLBORG SOMERSWORTH
no award yet
no awards on record
Listed source TRELLEBORG SEALING SOLUTIONS US, INC.
no award yet
no awards on record
Listed source VANSEAL CORP
no award yet
no awards on record
Listed source III WILLIAMS LLC won the only award on record. III WILLIAMS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L3-26-T-204K | Aug 26, 2026 | Sep 8, 2026 | 28 | 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: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL,PLAIN ENCASED." nsnexplorer.com, https://nsnexplorer.com/nsn/5330-01-306-4872/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5330-01-306-4872/