The Gasket, cataloged under National Stock Number 5330-01-012-1626, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-012-1626 |
| Primary Part Number | 977B254H01 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation Dba Electronic Systems |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Inside Corner Radius | 0.500 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | IL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 4.000 INCHES NOMINAL IN |
| Aperture Length | 7.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 2.750 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 |
| Part Number | Manufacturer |
|---|---|
| 977B254H01 PRIMARY | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
NSN 5330-01-012-1626 is a Gasket, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-012-1626 has 1 manufacturer part number on file: 977B254H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).
Key specifications for 977B254H01: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Inside Corner Radius: 0.500 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: IL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.