The Key,machine, cataloged under National Stock Number 5315-01-127-3608, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Quality Defense Spares, Inc. Dba Quality Defense Spares Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-127-3608 |
| Primary Part Number | 4HB857 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Quality Defense Spares, Inc. Dba Quality Defense Spares Inc |
| Status | ACTIVE |
| Starting Edge Shape | STRAIGHT |
| Style Designator | PLAIN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1018 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 |
|---|---|
| 98491A136 | Mcmaster-Carr Supply Co (USA) |
| 4HB857 PRIMARY | Quality Defense Spares, Inc. Dba Quality Defense Spares Inc (USA) |
| Reference | Meaning |
|---|---|
| 4HB857 | 5/9 Secondary reference Oshkosh Defense Llc |
| 08-06 | 5/9 Secondary reference U.S. Government activity |
| 2640726 | 5/9 Secondary reference U.S. Government activity |
| 4HB857 | 5/9 Secondary reference Oshkosh Corp |
NSN 5315-01-127-3608 is a Key,machine, manufactured by Quality Defense Spares, Inc. Dba Quality Defense Spares Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-127-3608 has 2 manufacturer part numbers on file: 98491A136 (Mcmaster-Carr Supply Co), 4HB857 (Quality Defense Spares, Inc. Dba Quality Defense Spares Inc).
1 possible match (shared part number, not a government interchangeability claim): 6660-01-573-4079. Verify interchangeability with system specifications before substitution.
Key specifications for 4HB857: Overall Height: 0.250 INCHES NOMINAL IN; Starting Edge Shape: STRAIGHT; Style Designator: PLAIN; Overall Length: 12.000 INCHES NOMINAL IN. 4 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.