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. 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 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 |
|---|---|
| RING STYLE ACXD | — |
| JOINT STYLE ADTE | — |
| INSIDE DIAMETER AARX | INCHES NOMINAL 4.000 |
| OVERALL WIDTH ACXJ | INCHES MINIMUM 0.1540 AND INCHES MAXIMUM 0.1550 |
| MATERIAL MATT | OVERALL STEEL |
| FSC APPLICATION DATA ZZZV | ENGINE,ACFT,TURBOFAN |
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| RADIAL WALL THICKNESS ACXF | INCHES MINIMUM 0.0950 AND INCHES MAXIMUM 0.1050 |
| METALLIC HARDNESS RATING AETC | NOMINAL ROCKWELL C 32.0 |
| SURFACE TREATMENT SFTT | OUTSIDE PERIPHERY CHROMIUM |
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
$1,594.28
Purchases
1
Total spend
$124,354
Nov 3, 2026
Last purchased
2 · 2.0/yr
Purchase records
$248,708
Total demand
$1,594.28
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 3, 2026 | 78 | $1,594.28 | $124,354 | RTX CORPORATION DIV PRATT & WHITNEY (52661) | 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 3, 2026 | SPE4A126G0002/SPE7L327F0094 ↗ | RTX CORPORATION DIV PRATT & WHITNEY | — | $124,354 |
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
RTX CORPORATION DIV PRATT & WHITNEY
last award Nov 2026
AMERICAN TUBULAR ELEVATOR CO
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES
no award yet
no awards on record
Listed source NORTON CANADA INC
no award yet
no awards on record
Listed source RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY
no award yet
no awards on record
Listed source SARGENT AEROSPACE & DEFENSE, LLC DBA AIRTOMIC DIV SARGENT
no award yet
no awards on record
Listed source TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
no award yet
no awards on record
Listed source RTX CORPORATION DIV PRATT & WHITNEY won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L3-27-T-0492 | Oct 13, 2026 | Oct 23, 2026 | 78 | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAL RING,METAL." nsnexplorer.com, https://nsnexplorer.com/nsn/5330-00-343-7437/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5330-00-343-7437/