PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HD-1/2Adapter,torque Wrench

Ryeson Corporation Div Sturtevant Richmont · NSN 5120-00-020-8637 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-020-8637 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-020-8637. Primary manufacturer part number: HD-1/2.
Features
  • Adapter,torque Wrench — FSC 5120
  • Wrenching End Outside Diameter: 1.125 INCHES NOMINAL IN
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Torque Capacity: 1450.0 INCH-POUNDS MAXIMUM IN
  • Wrenching Surface Shape: HEXAGON SINGLE END EXTERNAL
  • Material: STEEL OVERALL
  • Style Designator: KEY
  • Drive End Shape: DOVETAIL SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,torque Wrench, cataloged under National Stock Number 5120-00-020-8637, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ryeson Corporation Div Sturtevant Richmont. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-020-8637
Primary Part NumberHD-1/2
Item NameAdapter,torque Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerRyeson Corporation Div Sturtevant Richmont
StatusACTIVE
Wrenching End Outside Diameter1.125 INCHES NOMINAL IN
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
Torque Capacity1450.0 INCH-POUNDS MAXIMUM IN
Wrenching Surface ShapeHEXAGON SINGLE END EXTERNAL
MaterialSTEEL OVERALL
Style DesignatorKEY
Drive End ShapeDOVETAIL SINGLE END INTERNAL
Wrenching End Head Thickness1.500 INCHES NOMINAL IN
Drive End Outside Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3439-00-540-4755HD-S12 INTERCHANGEABLE
Holder,soldering Iron
Hexacon Electric Company
4730-00-886-814808051-0010 INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Div Quick Coupling Division
3120-00-986-1842HD12 INTERCHANGEABLE
Bearing,sleeve
Schramm, Inc.
6130-01-451-8923 INTERCHANGEABLE
Battery,charge Part
2040-01-631-38288196982 INTERCHANGEABLE
Stanchion,deck Railing
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
HD-1/2 Ryeson Corporation Div Sturtevant Richmont (USA)
819698-2 Ryeson Corporation Div Sturtevant Richmont (USA)
819698 Ryeson Corporation Div Sturtevant Richmont (USA)
SHD1-2 Probotec Ltd (GBR)
SHD-1/2 Ryeson Corporation Div Sturtevant Richmont (USA)
Related Parts
3439-00-540-4755INTERCHANGEABLE
HOLDER,SOLDERING IRON
HD-S12
4730-00-886-8148INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
08051-0010
3120-00-986-1842INTERCHANGEABLE
BEARING,SLEEVE
HD12
6130-01-451-8923INTERCHANGEABLE
BATTERY,CHARGE PART
2040-01-631-3828INTERCHANGEABLE
STANCHION,DECK RAILING
8196982

Frequently Asked Questions

What is NSN 5120-00-020-8637?

NSN 5120-00-020-8637 is a Adapter,torque Wrench, manufactured by Ryeson Corporation Div Sturtevant Richmont, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-020-8637?

NSN 5120-00-020-8637 has 5 cross-referenced part numbers: HD-1/2 (Ryeson Corporation Div Sturtevant Richmont), 819698-2 (Ryeson Corporation Div Sturtevant Richmont), 819698 (Ryeson Corporation Div Sturtevant Richmont), SHD1-2 (Probotec Ltd), SHD-1/2 (Ryeson Corporation Div Sturtevant Richmont).

What NSN replaces 5120-00-020-8637?

There are 5 known substitutes for 5120-00-020-8637: 3439-00-540-4755, 4730-00-886-8148, 3120-00-986-1842 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HD-1/2?

Key specifications for HD-1/2: Wrenching End Outside Diameter: 1.125 INCHES NOMINAL IN; End Item Identification: STURTEVANT-RICHMONT TYPE CCM AND LTC TORQUE WRENCHES; Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Torque Capacity: 1450.0 INCH-POUNDS MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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