The Seal,plain Encased, cataloged under National Stock Number 5330-00-154-8892, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-154-8892 |
| Primary Part Number | B-5633 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Seal Width | 0.500 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 3.251 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.500 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | LEATHER 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 |
|---|---|
| B-5633 PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| B4318 | 5/9 Secondary reference Cooper Machinery Services Llc |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 50519 | 5/9 Secondary reference Cooper Machinery Services Llc |
| 505019SEAL | 5/9 Secondary reference Cooper Machinery Services Llc |
NSN 5330-00-154-8892 is a Seal,plain Encased, manufactured by Cooper Machinery Services Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-154-8892 has 1 manufacturer part number on file: B-5633 (Cooper Machinery Services Llc).
4 possible matches (shared part number, not a government interchangeability claim): 3120-00-661-6743, 4520-01-091-5508, 5995-01-253-6705. Verify interchangeability with system specifications before substitution.
Key specifications for B-5633: Seal Width: 0.500 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 3.251 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 8 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.