The Gasket, cataloged under National Stock Number 5330-00-658-3577, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-658-3577 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Gage Ring Thickness | 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | QQ-A-250/11,T6 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1,GR 60 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Diameter | 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN |
| Center to Center Distance Between Bolt Holes Along Length | 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | ANODIZE OVERALL |
| Center to Center Distance Between Bolt Holes Along Width | 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.312 INCHES NOMINAL IN |
| Outside Corner Radius | 0.312 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.358 INCHES MINIMUM AND 0.378 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| 112757 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-658-3577 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-658-3577: Surface Treatment Document and Classification: MIL-S-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Gage Ring Thickness: 0.075 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: QQ-A-250/11,T6 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-6855,CL 1,GR 60 MIL SPEC 2ND MATERIAL RESPONSE OVERALL. 14 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.