The Retainer,packing, cataloged under National Stock Number 5330-00-627-0591, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-627-0591 |
| Primary Part Number | 354118 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 3617 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | DELTA |
| Angle | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| Center Hole Diameter | 0.7365 INCHES MINIMUM AND 0.7445 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.828 INCHES NOMINAL IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
NSN 5330-00-627-0591 is a Retainer,packing, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-627-0591 has 2 manufacturer part numbers on file: 354118 (Rtx Corporation Div Pratt & Whitney), 354118 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-720-5002, 4720-01-656-2710, 5330-01-669-4809. Verify interchangeability with system specifications before substitution.
Key specifications for 354118: Cross-Sectional Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Criticality Code Justification: FEAT; Material Document and Classification: AMS 3617 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: DELTA. 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.
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.