PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-261-2828 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-261-2828 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-261-2828. Primary manufacturer part number: B107.1 CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-261-2828, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN5120-00-261-2828
Primary Part NumberB107.1 CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size2.000 INCHES NOMINAL SINGLE END IN
Special Markings2 IN. IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-84675264 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5955-00-250-0568 INTERCHANGEABLE
Crystal Unit,quartz
5120-00-261-2811 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2812 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2813 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2814 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2815 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2816 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2817 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2818 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
5264 Vermont Precision Resistor Co (USA)
A-A-1395 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5935-00-201-8467INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5264
5955-00-250-0568INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5120-00-261-2811INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2812INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2813INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2814INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2815INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2816INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2817INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2818INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2819INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2820INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-261-2828?

NSN 5120-00-261-2828 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 5120-00-261-2828?

NSN 5120-00-261-2828 has 9 cross-referenced part numbers: B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), AS954 TY1CL1STB (General Services Administration Federal Supply Service), 5264 (Vermont Precision Resistor Co) and 4 more.

What NSN replaces 5120-00-261-2828?

There are 12 known substitutes for 5120-00-261-2828: 5935-00-201-8467, 5955-00-250-0568, 5120-00-261-2811 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STB?

Key specifications for B107.1 CL1STB: Overall Length: 3.500 INCHES MINIMUM IN; Style Designator: INTERNAL-INTERNAL; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL. 12 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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