The Key,machine, cataloged under National Stock Number 5315-00-424-8790, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-424-8790 |
| Primary Part Number | M2034BF |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Starting Edge Shape | STRAIGHT |
| Style Designator | PLAIN |
| 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 |
|---|---|
| M2034BF PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| Reference | Meaning |
|---|---|
| M1233 | 5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
NSN 5315-00-424-8790 is a Key,machine, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-424-8790 has 1 manufacturer part number on file: M2034BF (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
3 possible matches (shared part number, not a government interchangeability claim): 5905-00-556-3345, 4820-01-516-6882, 5310-01-683-7439. Verify interchangeability with system specifications before substitution.
Key specifications for M2034BF: Overall Height: 0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN; Starting Edge Shape: STRAIGHT; Style Designator: PLAIN; Overall Length: 8.500 INCHES NOMINAL IN. 3 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.