PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-299-4672 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-299-4672 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-299-4672. Primary manufacturer part number: B107.1 CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 1.000 INCHES MINIMUM IN
  • Wrenching Surface Size: 1.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching End Outside Diameter: 1.813 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-299-4672, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-299-4672
Primary Part NumberB107.1 CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Wrenching End Opening Depth1.000 INCHES MINIMUM IN
Wrenching Surface Size1.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Style DesignatorINTERNAL-INTERNAL
Wrenching End Outside Diameter1.813 INCHES MAXIMUM IN
Departure From Cited DocumentRETENTION TYPE - DESIGN D, 4 CAVITIES
Features ProvidedMANUAL TOOL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Drive End Outside Diameter1.812 INCHES MAXIMUM IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-225-6865123-0044 INTERCHANGEABLE
Nut,plain,hexagon
Avionics Specialties, Inc.
5133-00-228-1397 INTERCHANGEABLE
Drill,twist
3040-00-371-672812344 INTERCHANGEABLE
Shaft,straight
Napco International Llc Dba Napco International Inc
4730-00-535-4191 INTERCHANGEABLE
Orifice,gun
7310-00-834-448530442 INTERCHANGEABLE
Pan,steam Table
The Vollrath Company, L.l.c. Div Vollrath
5325-01-311-6943 INTERCHANGEABLE
Ring,retaining
3040-01-347-789712344 INTERCHANGEABLE
Shaft,straight
DP Manufacturing Inc.
5340-01-488-119512344 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
3010-01-642-2263 INTERCHANGEABLE
Drive Unit,angle
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
12-344 Armstrong Bros Tool Co (USA)
12-344 Apex Tool Group, Llc Dba Nicholson (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
12-344 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
5310-00-225-6865INTERCHANGEABLE
NUT,PLAIN,HEXAGON
123-0044
5133-00-228-1397INTERCHANGEABLE
DRILL,TWIST
3040-00-371-6728INTERCHANGEABLE
SHAFT,STRAIGHT
12344
4730-00-535-4191INTERCHANGEABLE
ORIFICE,GUN
7310-00-834-4485INTERCHANGEABLE
PAN,STEAM TABLE
30442
5325-01-311-6943INTERCHANGEABLE
RING,RETAINING
3040-01-347-7897INTERCHANGEABLE
SHAFT,STRAIGHT
12344
5340-01-488-1195INTERCHANGEABLE
CLAMP,LOOP
12344
3010-01-642-2263INTERCHANGEABLE
DRIVE UNIT,ANGLE

Frequently Asked Questions

What is NSN 5120-01-299-4672?

NSN 5120-01-299-4672 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-299-4672?

NSN 5120-01-299-4672 has 6 cross-referenced part numbers: B107.1 CL1STB (General Services Administration Federal Supply Service), 12-344 (Armstrong Bros Tool Co), 12-344 (Apex Tool Group, Llc Dba Nicholson), B107.1 TY1CL2 (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 5120-01-299-4672?

There are 9 known substitutes for 5120-01-299-4672: 5310-00-225-6865, 5133-00-228-1397, 3040-00-371-6728 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STB?

Key specifications for B107.1 CL1STB: Wrenching End Opening Depth: 1.000 INCHES MINIMUM IN; Wrenching Surface Size: 1.375 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Overall Length: 3.000 INCHES MINIMUM IN. 15 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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