The Key,socket Head Screw, cataloged under National Stock Number 5120-01-573-4852, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Innerspace Corp. Government technical data includes 6 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 | 5120-01-573-4852 |
| Primary Part Number | 4500-1-72 |
| Item Name | Key,socket Head Screw |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Innerspace Corp |
| Status | ACTIVE |
| Wrenching Surface Size | 0.375 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | L-HANDLE |
| Long Arm Length | 8.344 INCHES NOMINAL IN |
| Wrenching Surface Shape | HEXAGON BOTH ENDS EXTERNAL |
| Functional Description | USED TO INSTALL/REMOVE PROP BLADE |
| 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 |
|---|---|
| 4500-1-72 PRIMARY | Innerspace Corp (USA) |
NSN 5120-01-573-4852 is a Key,socket Head Screw, manufactured by Innerspace Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-573-4852 has 1 manufacturer part number on file: 4500-1-72 (Innerspace Corp).
Key specifications for 4500-1-72: Wrenching Surface Size: 0.375 INCHES NOMINAL BOTH ENDS IN; Style Designator: L-HANDLE; Long Arm Length: 8.344 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 6 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.