The Gasket, cataloged under National Stock Number 5330-00-291-6740, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-291-6740 |
| Primary Part Number | 3239851 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-P-1229 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | FIBRE OR COMPOSITION WITH WIRE INSERT |
| Aperture Diameter | 3.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.562 INCHES NOMINAL IN |
| Outside Corner Radius | 0.562 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR AND COPPER OR COPPER ALLOY OVERALL |
| Hole Diameter | 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.562 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 |
|---|---|
| 3239851 | Hatch & Kirk, Inc. (USA) |
| 3239851 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3239851 | 3/9 Design control — primary reference General Motors Corp |
| 81125S41-38423ALT3PC7 | 5/2 Secondary reference U.S. Government activity |
| 81125S41-38277PC12 | 5/2 Secondary reference U.S. Government activity |
| 3239851 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 81125S41-38993ALT1PC6 | 5/2 Secondary reference U.S. Government activity |
| 81125S41-38997ALT1PC8 | 5/2 Secondary reference U.S. Government activity |
| 81125S41-21197ALT12PC12 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-291-6740 is a Gasket, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-6740 has 2 manufacturer part numbers on file: 3239851 (Hatch & Kirk, Inc.), 3239851 (General Motors Llc Dba General Motors Llc).
Key specifications for 3239851: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-P-1229 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 4.500 INCHES NOMINAL IN. 13 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.