The Gasket, cataloged under National Stock Number 5330-01-381-2560, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-381-2560 |
| Primary Part Number | 126B439 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-6855 TYPE B, CLASS 2, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 1.180 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.250 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.220 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 126B439 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| 126B439 | Stockwell Rubber Co Inc (USA) |
| 126B439 | Minnesota Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| 126B439H01 | 3/2 Design control — primary reference U.S. Government activity |
| 126B439 | 5/2 Secondary reference U.S. Government activity |
| 126B439 | 5/9 Secondary reference U.S. Government activity |
| 126B439H03 | 5/9 Secondary reference U.S. Government activity |
| 126B439 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-381-2560 is a Gasket, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-381-2560 has 3 manufacturer part numbers on file: 126B439 (Kirkhill, Inc. Dba Kirkhill Inc), 126B439 (Stockwell Rubber Co Inc), 126B439 (Minnesota Rubber Co).
Key specifications for 126B439: Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-6855 TYPE B, CLASS 2, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 13 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.