The Seal,plain Encased, cataloged under National Stock Number 5330-01-086-3503, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-086-3503 |
| Primary Part Number | 376851 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Seal Width | 0.523 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 3.078 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 2.250 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| 376851 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 38128 | 5/2 Secondary reference U.S. Government activity |
| 376851 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5330-01-086-3503 is a Seal,plain Encased, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-086-3503 has 1 manufacturer part number on file: 376851 (General Motors Llc Dba General Motors Llc).
2 possible matches (shared part number, not a government interchangeability claim): 8030-01-542-6845, 1560-01-724-7630. Verify interchangeability with system specifications before substitution.
Key specifications for 376851: Seal Width: 0.523 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 3.078 INCHES NOMINAL IN; Case Style: RECESSED. 6 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.