The Key,socket Head Screw, cataloged under National Stock Number 5120-01-045-4887, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Thomas Warburton Pty Ltd. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-045-4887 |
| Primary Part Number | 1928107757 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Thomas Warburton Pty Ltd |
| Status | ACTIVE |
| Short Arm Length | 17.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM |
| Wrenching Surface Size | 2.5 MILLIMETERS NOMINAL BOTH ENDS MM |
| Style Designator | L-HANDLE |
| Features Provided | SHORT SERIES |
| Long Arm Length | 50.0 MILLIMETERS MINIMUM AND 56.0 MILLIMETERS MAXIMUM MM |
| Specification/standard Data | 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Departure From Cited Document | AS MODIFIED BY LONG ARM LENGTH |
| Nondefinitive Spec/std Data | 1 TYPE |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Surface Treatment | OXIDE OVERALL |
| 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 |
|---|---|
| 1928107757 | Thomas Warburton Pty Ltd (AUS) |
| 530006 | Brighton Best Pty Ltd (AUS) |
| 0198 4303 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 911-2.5 | Metric and Multistandard Components Corp (USA) |
| BM600054 | Thales Australia - Bendigo Land & Joint Systems (AUS) |
| Reference | Meaning |
|---|---|
| 57120 | 5/9 Secondary reference Apex Tool Group, Llc Dba Nicholson |
| 68030 | 5/9 Secondary reference Allen Mfg Co Sub of Chicago Pneumatic Tool Co |
| 57120 | 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 |
| 428-06-101-0003 | 5/2 Secondary reference U.S. Government activity |
NSN 5120-01-045-4887 is a Key,socket Head Screw, manufactured by Thomas Warburton Pty Ltd, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-045-4887 has 5 manufacturer part numbers on file: 1928107757 (Thomas Warburton Pty Ltd), 530006 (Brighton Best Pty Ltd), 0198 4303 (Blackwood J. Blackwood & Son Pty Ltd), 911-2.5 (Metric and Multistandard Components Corp), BM600054 (Thales Australia - Bendigo Land & Joint Systems).
7 possible matches (shared part number, not a government interchangeability claim): 5110-01-164-7339, 6530-01-259-2979, 4920-01-296-1534. Verify interchangeability with system specifications before substitution.
Key specifications for 1928107757: Short Arm Length: 17.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM; Wrenching Surface Size: 2.5 MILLIMETERS NOMINAL BOTH ENDS MM; Style Designator: L-HANDLE; Overall Length: 58.5 MILLIMETERS MAXIMUM MM. 11 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.