The Seal,plain, cataloged under National Stock Number 5330-01-400-3769, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-400-3769 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Outside Diameter | 3.255 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 2.750 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Construction | ONE-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 27225 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-400-3769 is a Seal,plain, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-614-4073, 7050-01-618-8540. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-400-3769: Seal Width: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Outside Diameter: 3.255 INCHES NOMINAL IN; Housing Bore Diameter: 3.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP. 7 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.