The Key,machine, cataloged under National Stock Number 5315-00-941-6323, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-941-6323 |
| Primary Part Number | 123HM40018-1 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 7.021 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| First Flat Length | 0.325 INCHES NOMINAL IN |
| Mounting Hole Type and Quantity | 1 PLAIN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Starting Edge Shape | STRAIGHT |
| Style Designator | STEPPED |
| Material Document and Classification | AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Distance From Mounting Hole Center to End | 0.062 INCHES NOMINAL IN |
| Mounting Hole Depth | 0.237 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Flat Height | 0.120 INCHES MINIMUM AND 0.130 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 |
|---|---|
| 123HM40018-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123HM40018-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5315-00-941-6323 is a Key,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-941-6323 has 1 manufacturer part number on file: 123HM40018-1 (Northrop Grumman Systems Corporation).
Key specifications for 123HM40018-1: Overall Height: 0.312 INCHES NOMINAL IN; Surface Treatment Document and Classification: 7.021 FSCM 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL; First Flat Length: 0.325 INCHES NOMINAL IN; Mounting Hole Type and Quantity: 1 PLAIN. 13 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.