The Gasket, cataloged under National Stock Number 5330-00-863-7387, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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 | 5330-00-863-7387 |
| Primary Part Number | 4H9576 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Inside Corner Radius | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-12803,+1141-A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-12803,+1141-A MIL SPEC 2ND MATERIAL RESPONSE OR MIL-G-12803,+1151-A MIL SPEC 3RD MATERIAL RESPONSE AND MIL-G-12803,+1151-A MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 3.000 INCHES NOMINAL IN |
| Aperture Length | 27.062 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Corner Radius | 0.375 INCHES NOMINAL IN |
| Material | ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR ASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.375 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 |
|---|---|
| 4H9576 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5330-00-863-7387 is a Gasket, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-863-7387 has 1 manufacturer part number on file: 4H9576 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 4H9576: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Inside Corner Radius: 0.375 INCHES NOMINAL IN; Material Document and Classification: MIL-G-12803,+1141-A MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-12803,+1141-A MIL SPEC 2ND MATERIAL RESPONSE OR MIL-G-12803,+1151-A MIL SPEC 3RD MATERIAL RESPONSE AND MIL-G-12803,+1151-A MIL SPEC 4TH MATERIAL RESPONSE OVERALL; Overall Length: 28.562 INCHES NOMINAL IN. 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.