PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-261-2817 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-261-2817 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-261-2817. Primary manufacturer part number: B107.1 CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Special Markings: 1-1/4 IN. IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-261-2817, 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 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-261-2817
Primary Part NumberB107.1 CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Special Markings1-1/4 IN. IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Size1.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5133-00-189-9285 INTERCHANGEABLE
Drill,twist
5950-00-189-977512362 INTERCHANGEABLE
Coil,radio Frequency
Viking Technologies, Ltd.
5136-00-228-1055 INTERCHANGEABLE
Tap,thread Cutting
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
5120-00-261-2818 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)
AS954 Society of Automotive Engineers Inc (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 TY1CL1STB General Services Administration Federal Supply Service (USA)
13-340 Armstrong Bros Tool Co (USA)
5029209-110-101 Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions (USA)
13-340 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
13-340 Apex Tool Group, Llc Dba Nicholson (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
47240 S K Hand Tool Corp (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5133-00-189-9285INTERCHANGEABLE
DRILL,TWIST
5950-00-189-9775INTERCHANGEABLE
COIL,RADIO FREQUENCY
12362
5136-00-228-1055INTERCHANGEABLE
TAP,THREAD CUTTING
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
5120-00-261-2818INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2819INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2820INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-261-2817?

NSN 5120-00-261-2817 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-261-2817?

NSN 5120-00-261-2817 has 13 cross-referenced part numbers: B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), AS954 (Society of Automotive Engineers Inc), A-A-1395 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B107.1 TY1CL2 (General Services Administration Federal Supply Service) and 8 more.

What NSN replaces 5120-00-261-2817?

There are 12 known substitutes for 5120-00-261-2817: 5133-00-189-9285, 5950-00-189-9775, 5136-00-228-1055 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STB?

Key specifications for B107.1 CL1STB: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: MANUAL TOOL; Special Markings: 1-1/4 IN. IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-261-2817 still in active supply?

NSN 5120-00-261-2817 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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