The Key,socket Head Screw, cataloged under National Stock Number 5120-00-908-4752, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-908-4752 |
| Primary Part Number | 544-8398-002 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Short Arm Length | 0.469 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Wrenching Surface Size | 0.076 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | L-HANDLE |
| Long Arm Length | 1.656 INCHES MINIMUM AND 1.844 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 |
|---|---|
| 544-8398-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5120-00-908-4752 is a Key,socket Head Screw, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-908-4752 has 1 manufacturer part number on file: 544-8398-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 544-8398-002: Short Arm Length: 0.469 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Wrenching Surface Size: 0.076 INCHES NOMINAL BOTH ENDS IN; Style Designator: L-HANDLE; Overall Length: 1.708 INCHES MINIMUM AND 1.897 INCHES MAXIMUM 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.