The Key,machine, cataloged under National Stock Number 5315-01-073-2976, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-073-2976 |
| Primary Part Number | 42277-346 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Starting Edge Shape | STRAIGHT |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 4140 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 |
|---|---|
| 42277-346 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277C346 | 5/9 Secondary reference U.S. Government activity |
| 42277-346 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 5315-01-073-2976 is a Key,machine, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-073-2976 has 1 manufacturer part number on file: 42277-346 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-346: Overall Height: 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN; Starting Edge Shape: STRAIGHT; Style Designator: PLAIN; Material Document and Classification: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.