The Handle,socket Wrench, cataloged under National Stock Number 5120-00-972-0441, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Johnson Controls, Inc Div Building Efficiency. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5120-00-972-0441 |
| Primary Part Number | X200-146 |
| Item Name | Handle,socket Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Johnson Controls, Inc Div Building Efficiency |
| Status | ACTIVE |
| Drive Surface Size | 0.375 INCHES NOMINAL SINGLE END IN |
| Style Designator | RIGID T |
| 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 |
|---|---|
| 65577 | Johnson Controls, Inc Div Building Efficiency (USA) |
| X200-146 PRIMARY | Johnson Controls, Inc Div Building Efficiency (USA) |
| Reference | Meaning |
|---|---|
| 23-31594 | 5/9 Secondary reference Johnson Controls, Inc Div Building Efficiency |
| N-8337 | 5/9 Secondary reference Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| 02-59-108 | 5/9 Secondary reference Johnson Controls, Inc Div Building Efficiency |
NSN 5120-00-972-0441 is a Handle,socket Wrench, manufactured by Johnson Controls, Inc Div Building Efficiency, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-972-0441 has 2 manufacturer part numbers on file: 65577 (Johnson Controls, Inc Div Building Efficiency), X200-146 (Johnson Controls, Inc Div Building Efficiency).
3 possible matches (shared part number, not a government interchangeability claim): 2990-01-090-6285, 2510-01-548-1018, 2530-01-548-6816. Verify interchangeability with system specifications before substitution.
Key specifications for X200-146: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Style Designator: RIGID T; Overall Length: 3.000 INCHES NOMINAL IN; Drive End Shape: SQUARE SINGLE END EXTERNAL. 5 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.