The Gasket, cataloged under National Stock Number 5330-00-256-3420, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-256-3420 |
| Primary Part Number | P1406-7 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 1.930 INCHES MINIMUM AND 1.935 INCHES MAXIMUM IN |
| Aperture Diameter | 1.312 INCHES MINIMUM AND 1.317 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 1.655 INCHES MINIMUM AND 1.659 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.144 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| P1406-7 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| P1406PC7 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 549597PC7 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-256-3420 is a Gasket, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-256-3420 has 1 manufacturer part number on file: P1406-7 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for P1406-7: Cross-Sectional Thickness: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 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.