The Seal,plain, cataloged under National Stock Number 5330-01-643-9071, 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 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-643-9071 |
| Primary Part Number | X5262 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Housing Bore Diameter | 2.000 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | GRAPHITE OUTER RING |
| 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 |
|---|---|
| X5262 PRIMARY | Bal Seal Engineering, Inc. (USA) |
NSN 5330-01-643-9071 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-643-9071 has 1 manufacturer part number on file: X5262 (Bal Seal Engineering, Inc.).
Key specifications for X5262: Housing Bore Diameter: 2.000 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN; Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING; Special Features: SEAL LENGTH (INSTALLED): 0.122-0.138 IN; BORE CHAMVER LENGTH: 0.0.087- 0.099 IN, 25 DEGREES; GLAND DIAMETER: 1.798-1.813 IN; GLAND CHAMFER LENGTH: 0.012-0.018 IN, 25 DEGREES; FORCE SHALL BE 350-500 GRAMS; MEDIA TYPE: DRY AIR; TEMPERATURE: M65.0/P250.0 DEG F G; Part Name Assigned by Controlling Agency: 104LA-133-GC-302BRT-SOW. 4 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.