The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-110-0077, 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 Dba Northrop Grumman Systems Corp. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-110-0077 |
| Primary Part Number | 951441-1 |
| Item Name | Seal,nonmetallic Round Section |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | OPEN EYE |
| Aperture Diameter | 6.890 INCHES MINIMUM AND 6.950 INCHES MAXIMUM IN |
| Cross Section Inside Diameter | 0.160 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Fabrication Method | SOLID |
| 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 |
NSN 5330-01-110-0077 is a Seal,nonmetallic Round Section, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-110-0077 has 2 manufacturer part numbers on file: 951441-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 203B (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-395-5245. Verify interchangeability with system specifications before substitution.
Key specifications for 951441-1: Cross-Sectional Height: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: OPEN EYE; Aperture Diameter: 6.890 INCHES MINIMUM AND 6.950 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.