PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-1211Socket,socket Wrench

Williams J H Industrial Products Inc · NSN 5120-01-350-1004 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-350-1004 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-350-1004. Primary manufacturer part number: B-1211.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.344 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-350-1004, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-350-1004
Primary Part NumberB-1211
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWilliams J H Industrial Products Inc
StatusACTIVE
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.344 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-225-858404283 INTERCHANGEABLE
Indicator,sight,liquid
Gits Mfg Co Inc
5310-00-369-2796R118PC10 INTERCHANGEABLE
Nut,plain,round
Circor Naval Solutions Llc Dba Warren Pumps
5310-00-569-0997B12-11 INTERCHANGEABLE
Nut,plain,cap
Gas Equipment Engineering Corporation, the Dba Geeco
3020-00-629-3289B1-211 INTERCHANGEABLE
Gear,bevel
Cessna Aircraft Co Mccauley Accessory Div
5905-00-835-2156F10J50R INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5910-01-048-9183 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5365-01-103-2175B12-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
4910-01-328-7024SYSTEM F111 INTERCHANGEABLE
Alignment Service Unit,motor Veh
Hunter Engineering Company Inc
4235-01-419-4798 INTERCHANGEABLE
Spill Containment Unit,hazardous
5340-01-474-6187F11-1 INTERCHANGEABLE
Ferrule,safety Cabl
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
F111 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
5120PL1037091 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AS954 Society of Automotive Engineers Inc (USA)
B-1211 PRIMARY Williams J H Industrial Products Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
B107.1 The American Society of Mechanical Engineers (USA)
Related Parts
6680-00-225-8584INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
04283
5310-00-369-2796INTERCHANGEABLE
NUT,PLAIN,ROUND
R118PC10
5310-00-569-0997INTERCHANGEABLE
NUT,PLAIN,CAP
B12-11
3020-00-629-3289INTERCHANGEABLE
GEAR,BEVEL
B1-211
5905-00-835-2156INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
F10J50R
5910-01-048-9183INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5365-01-103-2175INTERCHANGEABLE
SPACER,SLEEVE
B12-11
4910-01-328-7024INTERCHANGEABLE
ALIGNMENT SERVICE UNIT,MOTOR VEH
SYSTEM F111
4235-01-419-4798INTERCHANGEABLE
SPILL CONTAINMENT UNIT,HAZARDOUS
5340-01-474-6187INTERCHANGEABLE
FERRULE,SAFETY CABL
F11-1
5310-01-546-1662INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6130-01-560-5500INTERCHANGEABLE
POWER CONVERSION
B1211

Frequently Asked Questions

What is NSN 5120-01-350-1004?

NSN 5120-01-350-1004 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 5120-01-350-1004?

NSN 5120-01-350-1004 has 8 cross-referenced part numbers: F111 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 5120PL1037091 (Jednolity Indeks Materialowy - Uniform Material Index), AS954 (Society of Automotive Engineers Inc), B-1211 (Williams J H Industrial Products Inc), AS954 TY1CL1STA (General Services Administration Federal Supply Service) and 3 more.

What NSN replaces 5120-01-350-1004?

There are 12 known substitutes for 5120-01-350-1004: 6680-00-225-8584, 5310-00-369-2796, 5310-00-569-0997 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-1211?

Key specifications for B-1211: Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Overall Length: 1.270 INCHES MAXIMUM IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com