The Extension,socket Wrench, cataloged under National Stock Number 5120-01-335-1071, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Beyond Vision Inc Dba Beyond Vision. Government technical data includes 9 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-335-1071 |
| Primary Part Number | 5120-00-NIB-0266 |
| Item Name | Extension,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Beyond Vision Inc Dba Beyond Vision |
| Status | ACTIVE |
| Drive Surface Size | 0.250 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | RIGID |
| Features Provided | MANUAL TOOL |
| Specification/standard Data | 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS |
| Drive End Shape | SQUARE FIRST END INTERNAL |
| Drive End Shape | SQUARE SECOND 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 |
|---|---|
| P37301 | Martin-Baker Aircraft Company Limited (GBR) |
| TMXK4 | Sna Germany Gmbh (DEU) |
| TMXK4 | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| 5120-00-NIB-0266 PRIMARY | Beyond Vision Inc Dba Beyond Vision (USA) |
| Reference | Meaning |
|---|---|
| 06790208 | 5/9 Secondary reference Teng Tools C E Morris |
| 5/LTT 237 23 | 5/1 Secondary reference Saab Aktiebolag Div Radar Solutions |
| 5/LTT 237 23 | 5/9 Secondary reference Saab Ab (publ) - Business Area Surveillance |
| AS4283 TY2CL2 | 5/1 Secondary reference U.S. Government activity |
| M140021-C | 5/9 Secondary reference Teng Tools C E Morris |
| AS4283 | 5/9 Secondary reference U.S. Government activity |
| AS4283 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5120-01-335-1071 is a Extension,socket Wrench, manufactured by Beyond Vision Inc Dba Beyond Vision, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-335-1071 has 4 manufacturer part numbers on file: P37301 (Martin-Baker Aircraft Company Limited), TMXK4 (Sna Germany Gmbh), TMXK4 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 5120-00-NIB-0266 (Beyond Vision Inc Dba Beyond Vision).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-335-1072. Verify interchangeability with system specifications before substitution.
Key specifications for 5120-00-NIB-0266: Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN; Style Designator: RIGID; Overall Length: 3.750 INCHES MINIMUM AND 4.125 INCHES MAXIMUM IN; Features Provided: MANUAL TOOL. 9 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.