The Key,woodruff, cataloged under National Stock Number 5315-00-017-8879, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-017-8879 |
| Primary Part Number | 178879 |
| Item Name | Key,woodruff |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Starting Edge Shape | ROUND |
| Style Designator | ROUND BOTTOM |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Circle Diameter | 0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Key Height | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Key Size Designation | WOODRUFF 12 |
| Starting Edge Radius | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 2330 OVERALL |
| Thickness | 0.2188 INCHES MINIMUM AND 0.2198 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 178879 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| MS35756-36 | 3/2 Design control — primary reference U.S. Government activity |
| MS35756-36 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-017-8879 is a Key,woodruff, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-017-8879 has 1 manufacturer part number on file: 178879 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 5945-00-071-2418. Verify interchangeability with system specifications before substitution.
Key specifications for 178879: Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Starting Edge Shape: ROUND; Style Designator: ROUND BOTTOM; Material Document and Classification: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OVERALL. 10 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.