The Retainer,packing, cataloged under National Stock Number 5330-01-490-3553, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-490-3553 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Material Document and Classification | SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR |
| Cut Type | DIAGONAL OVERALL |
| Peripheral Diameter | 7.258 INCHES MINIMUM AND 7.262 INCHES MAXIMUM IN |
| Center Hole Diameter | 7.023 INCHES MINIMUM AND 7.025 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Joint Type | SCARF-PERIPHERAL ONE SIDE |
| 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 |
|---|---|
| 566-6985426-54 | 5/1 Secondary reference Naval Sea Systems Command |
| MS28774-441 | 2/2 Government specification standardization U.S. Government activity |
| MS28774 | 4/1 Identification reference U.S. Government activity |
| H621-0102-54 | 5/1 Secondary reference U.S. Government activity |
| SAE-AS8791 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 5330-01-490-3553 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-490-3553: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Cut Type: DIAGONAL OVERALL. 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.