The Seal,plain Encased, cataloged under National Stock Number 5330-01-135-4172, 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7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-135-4172 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.094 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 0.562 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 0.375 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING 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 |
| Reference | Meaning |
|---|---|
| 182150-1 | 7/2 Vendor item drawing reference Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| 535701 | 3/2 Design control — primary reference U.S. Government activity |
| 26002-7004 | 5/9 Secondary reference Precision Seals Inc |
| 535701-75 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-135-4172 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6730-01-240-2391, 6150-01-578-8941. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-135-4172: Seal Width: 0.094 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 0.562 INCHES NOMINAL IN; Case Style: RECESSED. 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.