The Seal,plain Encased, cataloged under National Stock Number 5330-00-955-9730, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-955-9730 |
| Primary Part Number | A37279 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Seal Width | 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN |
| Housing Bore Diameter | 1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 36000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.020 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN |
| 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 |
|---|---|
| A37279 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 75968 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5330-00-955-9730 is a Seal,plain Encased, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-955-9730 has 1 manufacturer part number on file: A37279 (Eaton Corporation Dba Eaton Inoac Div Eaton).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-122-4477. Verify interchangeability with system specifications before substitution.
Key specifications for A37279: Seal Width: 0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN; Housing Bore Diameter: 1.626 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 36000 FEET PER MINUTE FT; Case Style: SQUARE. 5 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.