The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-228-7987, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 10 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 | 5120-01-228-7987 |
| Primary Part Number | 122-64374-1 |
| Item Name | Crowfoot Attachment,socket Wrenc |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5000 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Drive Surface Size | 0.892 INCHES MINIMUM AND 0.904 INCHES MAXIMUM SINGLE END IN |
| Wrenching Surface Size | 2.750 INCHES NOMINAL SINGLE END IN |
| Style Designator | OPEN END |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Wrenching Surface Shape | OVAL SINGLE END EXTERNAL |
| Drive End Shape | OVAL SINGLE END EXTERNAL |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL COMP 4340 OVERALL |
| Head Thickness | 1.068 INCHES NOMINAL IN |
| 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 |
|---|---|
| 122-64374-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
NSN 5120-01-228-7987 is a Crowfoot Attachment,socket Wrenc, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-228-7987 has 1 manufacturer part number on file: 122-64374-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 122-64374-1: Surface Treatment Document and Classification: MIL-S-5000 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Drive Surface Size: 0.892 INCHES MINIMUM AND 0.904 INCHES MAXIMUM SINGLE END IN; Wrenching Surface Size: 2.750 INCHES NOMINAL SINGLE END IN; Style Designator: OPEN END. 10 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.