The Seal,plain, cataloged under National Stock Number 5330-01-202-0135, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-202-0135 |
| Primary Part Number | 307A-417-GF |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF |
| Seal Width | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Supplementary Features | INCLUDES MEDIUM LOAD SPRING;MATL IS P.T.F.E. AND GRAPHITE FIBER |
| Housing Bore Diameter | 3.993 INCHES MINIMUM AND 4.007 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Features Provided | SEPARABLE |
| Specification/standard Data | 09055-307A-417-GF MANUFACTURERS STANDARD A |
| Accommodated Shaft Diameter | 3.493 INCHES MINIMUM AND 3.507 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| 307A-417-GF PRIMARY | Bal Seal Engineering, Inc. (USA) |
| BAL 307A 417 GF | Bal Seal Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 100405-9000-258 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 100405-9000-258 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
NSN 5330-01-202-0135 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-202-0135 has 2 manufacturer part numbers on file: 307A-417-GF (Bal Seal Engineering, Inc.), BAL 307A 417 GF (Bal Seal Engineering, Inc.).
Key specifications for 307A-417-GF: Temp Rating: -20.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF; Seal Width: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Supplementary Features: INCLUDES MEDIUM LOAD SPRING;MATL IS P.T.F.E. AND GRAPHITE FIBER; Housing Bore Diameter: 3.993 INCHES MINIMUM AND 4.007 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.