The Retainer,packing, cataloged under National Stock Number 5330-01-077-9640, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-077-9640 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.052 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Diameter | 0.484 INCHES NOMINAL IN |
| Center Hole Diameter | 0.376 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-PERIPHERAL CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8500-012 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-077-9640 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5811-01-247-5805, 6130-01-382-7715, 6645-01-420-5612. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-077-9640: Cross-Sectional Height: 0.052 INCHES NOMINAL IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Diameter: 0.484 INCHES NOMINAL IN. 7 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.