The Seal,plain, cataloged under National Stock Number 5330-01-133-4501, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-133-4501 |
| Primary Part Number | X228260 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Seal Width | 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Housing Bore Diameter | 0.874 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Accommodated Shaft Diameter | 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 SPRING |
| Construction | SPLIT |
| 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 |
|---|---|
| 651-077-9112 | Proponent, Inc. Dba Proponent (USA) |
| X228260 PRIMARY | Bal Seal Engineering, Inc. (USA) |
| 649-788-290-0 | Safran Aircraft Engines (FRA) |
| Reference | Meaning |
|---|---|
| 10116732 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 651-077-9112 | 7/2 Vendor item drawing reference Honeywell International Inc. Div Aerospace - Torrance |
| 300-018 | 5/9 Secondary reference Bal Seal Engineering, Inc. |
NSN 5330-01-133-4501 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-133-4501 has 3 manufacturer part numbers on file: 651-077-9112 (Proponent, Inc. Dba Proponent), X228260 (Bal Seal Engineering, Inc.), 649-788-290-0 (Safran Aircraft Engines).
4 possible matches (shared part number, not a government interchangeability claim): 3895-01-250-1614, 6520-01-367-6491, 5935-01-504-0999. Verify interchangeability with system specifications before substitution.
Key specifications for X228260: Seal Width: 0.084 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Housing Bore Diameter: 0.874 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN; Material Document and Classification: QQ-W-423,COMP 302 FED SPEC SINGLE MATERIAL RESPONSE SPRING; Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING. 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.