The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-127-7137, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-127-7137 |
| Primary Part Number | GS179U1 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Cross-Sectional Width | 1.310 INCHES NOMINAL1.310 INCHES NOMINAL IN |
| Material Document and Classification | ZZ-R-765,CL 2B,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE INTERNALLY MOLDED-IN REINFORCEMENT |
| Cross Section Inside Diameter | 0.370 INCHES NOMINAL0.370 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 INTERNALLY MOLDED-IN REINFORCEMENT |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Fabrication Method | SOLIDSOLID |
| Construction | SOLIDSOLID |
| Attachment Method | CEMENTEDCEMENTED |
| 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 |
|---|---|
| GS179U1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5330-01-127-7137 is a Seal,nonmetallic Special Shaped, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-127-7137 has 1 manufacturer part number on file: GS179U1 (Northrop Grumman Systems Corporation).
Key specifications for GS179U1: Cross-Sectional Height: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; Cross-Sectional Width: 1.310 INCHES NOMINAL1.310 INCHES NOMINAL IN; Material Document and Classification: ZZ-R-765,CL 2B,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Document and Classification: QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE INTERNALLY MOLDED-IN REINFORCEMENT. 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.