The Key,socket Head Screw, cataloged under National Stock Number 5120-01-612-4354, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5120-01-612-4354 |
| Primary Part Number | FE WRENCH |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International |
| Status | ACTIVE |
| 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 |
|---|---|
| FE WRENCH PRIMARY | Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International (USA) |
| Reference | Meaning |
|---|---|
| 6540NCM128370 | 5/1 Secondary reference Defense Medical Standardization Board |
| 228874 | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-612-4354 is a Key,socket Head Screw, manufactured by Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-612-4354 has 1 manufacturer part number on file: FE WRENCH (Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International).
Key specifications for FE WRENCH: Special Features: WRENCH, ALLEN; USED FOR LENS LOCKING DEVICE; USED FOR LOCKING OR LOCKS THE LENS; Part Name Assigned by Controlling Agency: WRENCH ALLEN LENS LOCKING DEVICE. 0 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.