The Handle,socket Wrench, cataloged under National Stock Number 5120-01-398-7641, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is K-Tool Corporation of Michigan Dba Preferred Tool & Equipment. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-398-7641 |
| Primary Part Number | KTI22091 |
| Item Name | Handle,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | K-Tool Corporation of Michigan Dba Preferred Tool & Equipment |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Style Designator | RATCHET |
| Specification/standard Data | 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 CLASS AND B STYLE |
| Drive End Shape | SQUARE SINGLE END EXTERNAL |
| Surface Treatment | CHROMIUM 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 |
|---|---|
| KTI22091 | K-Tool Corporation of Michigan Dba Preferred Tool & Equipment (USA) |
| 00944808000 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| 11-967A | Apex Tool Group, Llc (USA) |
| 44808 | Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA) |
| Reference | Meaning |
|---|---|
| AS4283 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS4283 TY1CL2STB | 5/1 Secondary reference U.S. Government activity |
| AS4283 | 5/9 Secondary reference U.S. Government activity |
| B107.10 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.10 TY1CL2 | 5/9 Secondary reference U.S. Government activity |
| 9-44808 | 5/9 Secondary reference Sears, Roebuck and Co. Dba Sears Div Sears Commercial |
NSN 5120-01-398-7641 is a Handle,socket Wrench, manufactured by K-Tool Corporation of Michigan Dba Preferred Tool & Equipment, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-398-7641 has 4 manufacturer part numbers on file: KTI22091 (K-Tool Corporation of Michigan Dba Preferred Tool & Equipment), 00944808000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 11-967A (Apex Tool Group, Llc), 44808 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-446-5297, 6625-01-451-1936, 6220-01-463-7489. Verify interchangeability with system specifications before substitution.
Key specifications for KTI22091: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Style Designator: RATCHET; Overall Length: 6.78 INCHES MINIMUM AND 8.87 INCHES MAXIMUM IN; Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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.