The Wrench,ratchet, cataloged under National Stock Number 5120-01-321-4449, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-321-4449 |
| Primary Part Number | HLH110A-12 |
| Item Name | Wrench,ratchet |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Wrenching Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Style Designator | STRAIGHT SINGLE HEAD |
| Features Provided | REVERSIBLE RATCHET |
| Wrenching Surface Shape | 6 POINT SINGLE END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Functional Description | USED TO INSTALL HI-SHEAR HI-LOK AND HI-TIGUE FASTENERS |
| Material | STEEL OVERALL |
| Head Thickness | 1.562 INCHES NOMINAL 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 |
|---|---|
| HLH110A-12 PRIMARY | Hi-Shear Corporation (USA) |
| HLH110A-12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5120-01-321-4449 is a Wrench,ratchet, manufactured by Hi-Shear Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-321-4449 has 2 manufacturer part numbers on file: HLH110A-12 (Hi-Shear Corporation), HLH110A-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HLH110A-12: Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Style Designator: STRAIGHT SINGLE HEAD; Overall Length: 7.000 INCHES NOMINAL IN; Features Provided: REVERSIBLE RATCHET. 8 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.