The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-00-931-4839, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-931-4839 |
| Primary Part Number | 2541970 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN |
| Style Designator | STRIP |
| Material Document and Classification | ASTM D2000 2BC505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | U SHAPEU SHAPE |
| Cross Section Inside Diameter | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| End Cut Angle | 90.0 DEGREES90.0 DEGREES |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Fabrication Method | SOLIDSOLID |
| Construction | SOLIDSOLID |
| 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 |
|---|---|
| 2541970 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG2541970 | 3/9 Design control — primary reference Alliant Techsystems Inc Ordnance Systems Div |
| BUWEPSDWG2541970 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-931-4839 is a Seal,nonmetallic Special Shaped, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-931-4839 has 1 manufacturer part number on file: 2541970 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2541970: Cross-Sectional Height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Cross-Sectional Width: 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN; Style Designator: STRIP; Material Document and Classification: ASTM D2000 2BC505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.