The Gasket, cataloged under National Stock Number 5330-00-361-2987, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-361-2987 |
| Primary Part Number | 61878 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.054 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-12803,+3342E MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-12803,+3342E MIL SPEC 2ND MATERIAL RESPONSE OR MIL-G-12803,+3553A MIL SPEC 3RD MATERIAL RESPONSE AND MIL-G-12803,+3553A MIL SPEC 4TH MATERIAL RESPONSE OVERALL A |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 3.000 INCHES NOMINAL IN |
| Aperture Length | 4.000 INCHES NOMINAL IN |
| Outside Corner Radius | 0.500 INCHES NOMINAL IN |
| Material | PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR PAPER AND RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.406 INCHES NOMINAL SINGLE HOLE 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 |
|---|---|
| 61878 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| H61878 | 5/9 Secondary reference Cummins Inc. |
NSN 5330-00-361-2987 is a Gasket, manufactured by Cummins Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-361-2987 has 1 manufacturer part number on file: 61878 (Cummins Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 1270-00-403-9000, 5998-01-665-9916. Verify interchangeability with system specifications before substitution.
Key specifications for 61878: Cross-Sectional Thickness: 0.054 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN; Inside Corner Radius: 0.250 INCHES NOMINAL IN; Material Document and Classification: MIL-G-12803,+3342E MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-12803,+3342E MIL SPEC 2ND MATERIAL RESPONSE OR MIL-G-12803,+3553A MIL SPEC 3RD MATERIAL RESPONSE AND MIL-G-12803,+3553A MIL SPEC 4TH MATERIAL RESPONSE OVERALL A; Overall Length: 6.500 INCHES NOMINAL IN. 9 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.