The Seal Ring,metal, cataloged under National Stock Number 5330-00-331-5577, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-331-5577 |
| Primary Part Number | 4001629 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | ENGINE,ACFT,TURBOFAN,MODEL F100 |
| Cross-Sectional Shape Style | DOUBLE INSIDE COUNTERBORE, STRAIGHT FACE |
| Joint Style | STEP JOINT |
| Inside Diameter | 5.025 INCHES MINIMUM AND 5.035 INCHES MAXIMUM IN |
| Radial Wall Thickness | 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4001629 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4001629 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 4001629 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4001629 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 5330PL0658818 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4001629 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent |
| 4001629 | 5/9 Secondary reference American Tubular Elevator Co |
| 4001629 | 5/9 Secondary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
| 4001629 | 5/9 Secondary reference Norton Canada Inc |
| 4001629 | 5/9 Secondary reference Harco Technologies Corp |
NSN 5330-00-331-5577 is a Seal Ring,metal, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-331-5577 has 3 manufacturer part numbers on file: 4001629 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4001629 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 4001629 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-563-7635. Verify interchangeability with system specifications before substitution.
Key specifications for 4001629: FSC Application Data: ENGINE,ACFT,TURBOFAN,MODEL F100; Overall Width: 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN; Cross-Sectional Shape Style: DOUBLE INSIDE COUNTERBORE, STRAIGHT FACE; Joint Style: STEP JOINT. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5330-00-331-5577 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.