The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-01-172-4745, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-172-4745 |
| Primary Part Number | 13A71000-003 |
| Item Name | Socket,wrench,face Spanner |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Drive Surface Size | 0.500 INCHES NOMINAL SINGLE END IN |
| Angle Between Lugs | 180.0 DEGREES NOMINAL |
| Style Designator | LUG |
| Outside Diameter | 2.800 INCHES NOMINAL IN |
| Lug Width | 0.060 INCHES NOMINAL IN |
| Drive End Shape | SQUARE SINGLE END INTERNAL |
| Functional Description | TORQUES SNUBBER NUT,MAIN LANDINGGEAR |
| 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 |
|---|---|
| 13A71000-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-700 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| 13A71000-001 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 5120-01-172-4745 is a Socket,wrench,face Spanner, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-172-4745 has 1 manufacturer part number on file: 13A71000-003 (The Boeing Company Div Legacy Am&m).
Key specifications for 13A71000-003: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Angle Between Lugs: 180.0 DEGREES NOMINAL; Style Designator: LUG; Overall Length: 3.000 INCHES NOMINAL IN. 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.