The Key,machine, cataloged under National Stock Number 5315-01-155-7235, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-155-7235 |
| Primary Part Number | 135839-1 |
| 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 | OCTAGON SHAPE |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Key Chamfer Length | 0.060 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 135839-1 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
| Reference | Meaning |
|---|---|
| B135839-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-155-7235 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 5315-01-155-7235 has 1 manufacturer part number on file: 135839-1 (Lockheed Martin Sippican, Inc. Div Communication Division).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-343-0312. Verify interchangeability with system specifications before substitution.
Key specifications for 135839-1: Overall Height: 0.997 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Key Chamfer Angle: 45.0 DEGREES NOMINAL; Starting Edge Shape: CHAMFERED; Style Designator: OCTAGON SHAPE. 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.