The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-431-1027, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-431-1027 |
| Primary Part Number | 00944386000 |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| Status | ACTIVE |
| Wrenching Surface Size | 0.562 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | OFFSET |
| Features Provided | FULL POLISH |
| Specification/standard Data | 05047-ASME B107.100 CAT 6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 STYLE |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Shape | OVAL FIRST END INTERNAL |
| Wrenching Surface Shape | 6 POINT SECOND END INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Head Angle | 15.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 00944386000 PRIMARY | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| 44386 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| Reference | Meaning |
|---|---|
| 9-44386 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.100 CAT 6 ST1 | 5/1 Secondary reference U.S. Government activity |
NSN 5120-01-431-1027 is a Wrench,box and Open End,combinat, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-431-1027 has 2 manufacturer part numbers on file: 00944386000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 44386 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
1 possible match (shared part number, not a government interchangeability claim): 4010-01-534-6915. Verify interchangeability with system specifications before substitution.
Key specifications for 00944386000: Wrenching Surface Size: 0.562 INCHES NOMINAL BOTH ENDS IN; Style Designator: OFFSET; Overall Length: 5.016 INCHES MINIMUM AND 9.000 INCHES MAXIMUM IN; Features Provided: FULL POLISH. 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.