The Seal,plain Encased, cataloged under National Stock Number 5330-01-013-3013, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 10 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. 4 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 | 5330-01-013-3013 |
| Primary Part Number | 25066 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF |
| Seal Width | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR-OPPOSED |
| Housing Bore Diameter | 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 3041 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.966 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT A |
| Material | RUBBER SYNTHETIC SEALING ELEMENT B |
| Material | STEEL COMP 4140 CASE |
| 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 |
|---|---|
| 25066 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 5330-01-013-3013 is a Seal,plain Encased, manufactured by Williams International Co., L.l.c., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-013-3013 has 1 manufacturer part number on file: 25066 (Williams International Co., L.l.c.).
4 possible matches (shared part number, not a government interchangeability claim): 6130-01-066-8969, 4520-01-301-4312, 4720-01-540-6604. Verify interchangeability with system specifications before substitution.
Key specifications for 25066: Temp Rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF; Seal Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN. 10 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.