The Adapter,torque Wrench, cataloged under National Stock Number 5120-00-020-8634, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Ryeson Corporation Div Sturtevant Richmont. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-00-020-8634 |
| Primary Part Number | HD-5/16 |
| Item Name | Adapter,torque Wrench |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Ryeson Corporation Div Sturtevant Richmont |
| Status | ACTIVE |
| Torque Capacity | 850.0 INCH-POUNDS MAXIMUM IN |
| Wrenching Surface Size | 0.312 INCHES NOMINAL SINGLE END IN |
| Wrenching End Outside Diameter | 0.844 INCHES NOMINAL IN |
| Style Designator | KEY |
| Wrenching Surface Shape | HEXAGON SINGLE END EXTERNAL |
| Drive End Shape | DOVETAIL SINGLE END INTERNAL |
| Surface Treatment | OXIDE OVERALL |
| Drive End Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Wrenching End Head Thickness | 1.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| HD-5/16 PRIMARY | Ryeson Corporation Div Sturtevant Richmont (USA) |
| 819695 | Ryeson Corporation Div Sturtevant Richmont (USA) |
| Reference | Meaning |
|---|---|
| 5120000208634 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5120-00-020-8634 is a Adapter,torque Wrench, manufactured by Ryeson Corporation Div Sturtevant Richmont, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-020-8634 has 2 manufacturer part numbers on file: HD-5/16 (Ryeson Corporation Div Sturtevant Richmont), 819695 (Ryeson Corporation Div Sturtevant Richmont).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-313-8919. Verify interchangeability with system specifications before substitution.
Key specifications for HD-5/16: Torque Capacity: 850.0 INCH-POUNDS MAXIMUM IN; Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN; Wrenching End Outside Diameter: 0.844 INCHES NOMINAL IN; Style Designator: KEY. 10 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.