PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-611Socket,socket Wrench

Williams J H Industrial Products Inc · NSN 5120-01-369-1058 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-369-1058 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-369-1058. Primary manufacturer part number: B-611.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 0.344 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-369-1058, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Williams J H Industrial Products Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5120-01-369-1058
Primary Part NumberB-611
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWilliams J H Industrial Products Inc
StatusACTIVE
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Wrenching Surface Size0.344 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3120-00-287-6301A307-3 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
5365-00-585-9835B6-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5365-00-928-380711588659-1 INTERCHANGEABLE
Spacer,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5996-01-292-818222469 INTERCHANGEABLE
Amplifier,magnetic
Kurz & Root Generator Company, Llc
4140-01-486-5837B611 INTERCHANGEABLE
Fan Assy,cooling
Lockheed Martin Corporation Div Rms - Manassas
Cross-Reference Index
Part NumberManufacturer
B-611 WILLIAMS Kipper Tool Company Dba Kipper Management Inc (USA)
B-611 PRIMARY Williams J H Industrial Products Inc (USA)
Related Parts
3120-00-287-6301INTERCHANGEABLE
BEARING,SLEEVE
A307-3
5365-00-585-9835INTERCHANGEABLE
SPACER,SLEEVE
B6-11
5365-00-928-3807INTERCHANGEABLE
SPACER,SLEEVE
11588659-1
5996-01-292-8182INTERCHANGEABLE
AMPLIFIER,MAGNETIC
22469
4140-01-486-5837INTERCHANGEABLE
FAN ASSY,COOLING
B611

Frequently Asked Questions

What is NSN 5120-01-369-1058?

NSN 5120-01-369-1058 is a Socket,socket Wrench, manufactured by Williams J H Industrial Products Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-369-1058?

NSN 5120-01-369-1058 has 2 cross-referenced part numbers: B-611 WILLIAMS (Kipper Tool Company Dba Kipper Management Inc), B-611 (Williams J H Industrial Products Inc).

What NSN replaces 5120-01-369-1058?

There are 5 known substitutes for 5120-01-369-1058: 3120-00-287-6301, 5365-00-585-9835, 5365-00-928-3807 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-611?

Key specifications for B-611: Overall Length: 1.219 INCHES NOMINAL IN; Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL; Wrenching Surface Size: 0.344 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL. 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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