The Key,terminal Locking, cataloged under National Stock Number 5315-00-229-6637, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-229-6637 |
| Primary Part Number | 123HM10281-511 |
| Item Name | Key,terminal Locking |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,FED STD AMS5612,0.427 IN. MIN,0.437 IN. MAX LG,0.173 IN.MIN,0.203 IN. H,0.113 IN. MIN,0.123 IN. MAX THK 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 |
|---|---|
| 123HM10281-511 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 123HM10281-511 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 123HM10281-511 | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport (USA) |
| Reference | Meaning |
|---|---|
| 123HM10281-511 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123HM10281-511 | 5/9 Secondary reference Tek Precision Co Limited |
NSN 5315-00-229-6637 is a Key,terminal Locking, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-229-6637 has 3 manufacturer part numbers on file: 123HM10281-511 (Northrop Grumman Systems Corporation), 123HM10281-511 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 123HM10281-511 (Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport).
Key specifications for 123HM10281-511: General Characteristics Item Description: CRES,FED STD AMS5612,0.427 IN. MIN,0.437 IN. MAX LG,0.173 IN.MIN,0.203 IN. H,0.113 IN. MIN,0.123 IN. MAX THK IN. 1 specification is 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.