The Key,socket Head Screw, cataloged under National Stock Number 5120-01-045-4897, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Atom Express and Supply Company Pty Ltd Aqua Terra Oil and Mineral Service. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-045-4897 |
| Primary Part Number | UNBWM14 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Atom Express and Supply Company Pty Ltd Aqua Terra Oil and Mineral Service |
| Status | ACTIVE |
| Short Arm Length | 53.0 MILLIMETERS MINIMUM AND 56.0 MILLIMETERS MAXIMUM MM |
| Wrenching Surface Size | 14.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Style Designator | L-HANDLE |
| Features Provided | SHORT SERIES |
| Long Arm Length | 133.0 MILLIMETERS MINIMUM AND 140.0 MILLIMETERS MAXIMUM MM |
| Specification/standard Data | 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| 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 |
|---|---|
| UNBWM14 | Atom Express and Supply Company Pty Ltd Aqua Terra Oil and Mineral Service (AUS) |
| 095-1084 | William Adams Pty Ltd (AUS) |
| 095-1084 | Hastings Deering (aust) Pty Ltd (AUS) |
| 0198 5001 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 57134 | 5/9 Secondary reference Apex Tool Group, Llc Dba Nicholson |
| 57134 | 5/9 Secondary reference Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. |
| B18.3.2 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| 68070 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
NSN 5120-01-045-4897 is a Key,socket Head Screw, manufactured by Atom Express and Supply Company Pty Ltd Aqua Terra Oil and Mineral Service, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-045-4897 has 4 manufacturer part numbers on file: UNBWM14 (Atom Express and Supply Company Pty Ltd Aqua Terra Oil and Mineral Service), 095-1084 (William Adams Pty Ltd), 095-1084 (Hastings Deering (aust) Pty Ltd), 0198 5001 (Blackwood J. Blackwood & Son Pty Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-489-0485, 6130-01-582-2886. Verify interchangeability with system specifications before substitution.
Key specifications for UNBWM14: Short Arm Length: 53.0 MILLIMETERS MINIMUM AND 56.0 MILLIMETERS MAXIMUM MM; Wrenching Surface Size: 14.0 MILLIMETERS NOMINAL BOTH ENDS MM; Style Designator: L-HANDLE; Overall Length: 154.0 MILLIMETERS MAXIMUM MM. 9 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.