The Sleeve,seal,coupler, cataloged under National Stock Number 5330-01-042-2881, 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 5 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-042-2881 |
| Primary Part Number | GS10A2.5-4 |
| Item Name | Sleeve,seal,coupler |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Cross-Sectional Shape Style | SPHERICAL |
| Cross-Sectional Length | 2.000 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN |
| Cross Section Inside Diameter | 0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.675 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Material | COTTON AND GLASS AND RUBBER CHLOROPRENE CLASS CR OVERALL |
| 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 |
|---|---|
| GS10A2.5-4 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GS10A2.5-4 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| GS10A2.5-4 | Arrowhead Products Corp (USA) |
| GS10A2.5-4 | Dura-Vent Corp (USA) |
| Reference | Meaning |
|---|---|
| GS10A2-5-4 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| GS10A2.5-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-042-2881 is a Sleeve,seal,coupler, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-042-2881 has 4 manufacturer part numbers on file: GS10A2.5-4 (Northrop Grumman Systems Corporation), GS10A2.5-4 (Kirkhill, Inc. Dba Kirkhill Inc), GS10A2.5-4 (Arrowhead Products Corp), GS10A2.5-4 (Dura-Vent Corp).
Key specifications for GS10A2.5-4: Cross-Sectional Shape Style: SPHERICAL; Cross-Sectional Length: 2.000 INCHES MINIMUM AND 2.120 INCHES MAXIMUM IN; Cross Section Inside Diameter: 0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN; Cross Section Outside Diameter: 0.675 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN. 5 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.