The Key,socket Head Screw, cataloged under National Stock Number 5120-00-113-4166, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Wta Tool Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-00-113-4166 |
| Primary Part Number | 1334SK |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Wta Tool Llc |
| Status | ACTIVE |
| Short Arm Length | 0.609 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN |
| Wrenching Surface Size | 0.133 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | L-HANDLE |
| Long Arm Length | 2.031 INCHES MINIMUM AND 2.219 INCHES MAXIMUM IN |
| Wrenching Surface Shape | SPLINE BOTH ENDS EXTERNAL |
| Wrenching Surface Flute Quantity | 4 |
| Material | STEEL 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 |
|---|---|
| 1334SK PRIMARY | Wta Tool Llc (USA) |
| Reference | Meaning |
|---|---|
| GGG-K-275 TY2CL1 | 5/9 Secondary reference U.S. Government activity |
| GGG-K-275 | 5/9 Secondary reference U.S. Government activity |
| 515102 | 5/9 Secondary reference U.S. Government activity |
| 1334SK | 5/9 Secondary reference Granco Industries Inc |
NSN 5120-00-113-4166 is a Key,socket Head Screw, manufactured by Wta Tool Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-113-4166 has 1 manufacturer part number on file: 1334SK (Wta Tool Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-287-4353, 6515-01-576-0130, 6145-01-612-4981. Verify interchangeability with system specifications before substitution.
Key specifications for 1334SK: Short Arm Length: 0.609 INCHES MINIMUM AND 0.797 INCHES MAXIMUM IN; Wrenching Surface Size: 0.133 INCHES NOMINAL BOTH ENDS IN; Style Designator: L-HANDLE; Overall Length: 2.313 INCHES NOMINAL IN. 7 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.