Acquisition method (AMC)
3
FSC 5330 × SEAL RING,METAL
SEAL RING,METAL
5330-00-343-7437 FSC 5330
NSN 5330-00-343-7437 (also written 5330003437437; NIIN 00-343-7437) is a seal ring, metal in Federal Supply Class 5330, Packing and Gasket Materials. 8 manufacturer part numbers from 8 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 | |
|---|---|---|---|
| SPE7L3-27-T-0492 | 78 | Closes in 4d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
|---|---|
| INSIDE DIAMETER AARX | INCHES NOMINAL 4.000 |
| FSC APPLICATION DATA ZZZV | ENGINE,ACFT,TURBOFAN |
| JOINT STYLE ADTE | — |
| METALLIC HARDNESS RATING AETC | NOMINAL ROCKWELL C 32.0 |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RING STYLE ACXD | — |
| RADIAL WALL THICKNESS ACXF | INCHES MINIMUM 0.0950 AND INCHES MAXIMUM 0.1050 |
| OVERALL WIDTH ACXJ | INCHES MINIMUM 0.1540 AND INCHES MAXIMUM 0.1550 |
| SURFACE TREATMENT SFTT | OUTSIDE PERIPHERY CHROMIUM |
| MATERIAL MATT | OVERALL STEEL |
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 |
|---|---|---|
| 4020637 | 03120 | AMERICAN TUBULAR ELEVATOR CO |
| 4020637 | 09612 | NORTON CANADA INC |
| 4020637 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP |
| 4020637 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY |
| 4020637 | 71687 | SARGENT AEROSPACE & DEFENSE, LLC DBA AIRTOMIC DIV SARGENT |
| 4020637 | 75370 | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES |
| 4020637 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 5330PL0658828 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L3-27-T-0492 | Oct 13, 2026 | Oct 23, 2026 | 78 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL RING,METAL." nsnexplorer.com, https://nsnexplorer.com/nsn/5330-00-343-7437/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5330-00-343-7437/