The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-545-4010, 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 | 5330-01-545-4010 |
| Primary Part Number | 177538 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Hardness Rating | 50.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | OVAL |
| Material Document and Classification | A-A-59588A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A |
| Cross-Sectional Shape Style | CIRCULAR |
| Aperture Width | 2.880 INCHES NOMINAL IN |
| Aperture Length | 7.880 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.125 INCHES NOMINAL IN |
| Material | SILICONE OVERALL |
| Construction | SOLID |
| Attachment Method | CEMENTED |
| 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 |
|---|---|
| 177538 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5330-01-545-4010 is a Seal,nonmetallic Round Section, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-545-4010 has 1 manufacturer part number on file: 177538 (Northrop Grumman Systems Corporation).
Key specifications for 177538: Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: OVAL; Material Document and Classification: A-A-59588A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A; Cross-Sectional Shape Style: CIRCULAR. 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.