The Seal,plain Encased, cataloged under National Stock Number 5330-00-923-4734, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-923-4734 |
| Primary Part Number | 55304 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Seal Width | 0.500 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 4.250 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.250 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 55304 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
NSN 5330-00-923-4734 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-923-4734 has 1 manufacturer part number on file: 55304 (Federal-Mogul Corp Government Sales Dept).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-416-7585. Verify interchangeability with system specifications before substitution.
Key specifications for 55304: Seal Width: 0.500 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 4.250 INCHES NOMINAL IN; Case Style: SQUARE. 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.