PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VB-50ST-IWrench,torque

Hank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap · NSN 5120-01-571-5279 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-571-5279 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-571-5279. Primary manufacturer part number: VB-50ST-I.
Features
  • Wrench,torque — FSC 5120
  • Torque Signal Method: AUDIBLE
  • Nondefinitive Spec/std Data: 2 TYPE AND B CLASS AND 3 STYLE AND B DESIGN
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Specification/standard Data: 05047-ASME B107.300 CAT 14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Torque Indicating Mechanism: PRESET-FIXED
  • Torque Capacity: 50.0 FOOT-POUNDS NOMINAL FT
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,torque, cataloged under National Stock Number 5120-01-571-5279, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Hank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-571-5279
Primary Part NumberVB-50ST-I
Item NameWrench,torque
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerHank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap
StatusACTIVE
Torque Signal MethodAUDIBLE
Nondefinitive Spec/std Data2 TYPE AND B CLASS AND 3 STYLE AND B DESIGN
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B107.300 CAT 14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Torque Indicating MechanismPRESET-FIXED
Torque Capacity50.0 FOOT-POUNDS NOMINAL FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-394-4256810013 INTERCHANGEABLE
Wrench,torque
Ryeson Corporation Div Sturtevant Richmont
Cross-Reference Index
Part NumberManufacturer
VB-50ST-I Hank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap (USA)
B107.300 The American Society of Mechanical Engineers (USA)
7054353-1 Naval Sea Systems Command (USA)
B107.14 The American Society of Mechanical Engineers (USA)
B107.300 CAT 14 TY2CLBST3DEB General Services Administration Federal Supply Service (USA)
Related Parts
5120-01-394-4256INTERCHANGEABLE
WRENCH,TORQUE
810013

Frequently Asked Questions

What is NSN 5120-01-571-5279?

NSN 5120-01-571-5279 is a Wrench,torque, manufactured by Hank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-571-5279?

NSN 5120-01-571-5279 has 5 cross-referenced part numbers: VB-50ST-I (Hank Thorn Co. Dba Van F Belknap Company Div Van F. Belknap), B107.300 (The American Society of Mechanical Engineers), 7054353-1 (Naval Sea Systems Command), B107.14 (The American Society of Mechanical Engineers), B107.300 CAT 14 TY2CLBST3DEB (General Services Administration Federal Supply Service).

What NSN replaces 5120-01-571-5279?

There is 1 known substitute for 5120-01-571-5279: 5120-01-394-4256. Verify interchangeability with system specifications before substitution.

What are the specifications of VB-50ST-I?

Key specifications for VB-50ST-I: Torque Signal Method: AUDIBLE; Nondefinitive Spec/std Data: 2 TYPE AND B CLASS AND 3 STYLE AND B DESIGN; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 9 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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