The Key,machine, cataloged under National Stock Number 5315-01-649-5727, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-649-5727 |
| Primary Part Number | B135671-2 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Key Chamfer Angle | 45.0 DEGREES NOMINAL |
| Starting Edge Shape | CHAMFERED |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Key Chamfer Length | 0.05 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B135671-2 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| B135671 | D/9 Drawing number reference only Lockheed Martin Sippican, Inc. Div Communication Division |
NSN 5315-01-649-5727 is a Key,machine, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-649-5727 has 1 manufacturer part number on file: B135671-2 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for B135671-2: Overall Height: 0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN; Key Chamfer Angle: 45.0 DEGREES NOMINAL; Starting Edge Shape: CHAMFERED; Style Designator: PLAIN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.