PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1Socket,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-00-277-9503 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-9503 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-9503. Primary manufacturer part number: B107.1.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Outside Diameter: 1.650 INCHES MAXIMUM IN
  • Special Markings: 15/16 IN. IN
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 2 TYPE
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-277-9503, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN5120-00-277-9503
Primary Part NumberB107.1
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Wrenching End Outside Diameter1.650 INCHES MAXIMUM IN
Special Markings15/16 IN. IN
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data2 TYPE
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data05047-ASME B107.110 CAT1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching End Opening Depth0.546 INCHES MINIMUM IN
Wrenching Surface Shape8 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Drive End Outside Diameter1.650 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-180-1016 INTERCHANGEABLE
Socket,socket Wrench
5120-00-180-1017 INTERCHANGEABLE
Socket,socket Wrench
5120-00-180-1019 INTERCHANGEABLE
Socket,socket Wrench
5120-00-180-1020 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7906 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7907 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7908J4712S INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5120-00-189-7911 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7912 INTERCHANGEABLE
Socket,socket Wrench
5120-00-199-7772 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.1 The American Society of Mechanical Engineers (USA)
B107.110 CAT 1 TY2 General Services Administration Federal Supply Service (USA)
B107.1 TY2 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.110 The American Society of Mechanical Engineers (USA)
A-A-1397 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 TY2CL3 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-180-1016INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-180-1017INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-180-1019INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-180-1020INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7906INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7907INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7908INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J4712S
5120-00-189-7911INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7912INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7772INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7773INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-199-7774INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-277-9503?

NSN 5120-00-277-9503 is a Socket,socket Wrench, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-277-9503?

NSN 5120-00-277-9503 has 7 cross-referenced part numbers: B107.1 (The American Society of Mechanical Engineers), B107.110 CAT 1 TY2 (General Services Administration Federal Supply Service), B107.1 TY2 (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.110 (The American Society of Mechanical Engineers) and 2 more.

What NSN replaces 5120-00-277-9503?

There are 12 known substitutes for 5120-00-277-9503: 5120-00-180-1016, 5120-00-180-1017, 5120-00-180-1019 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1?

Key specifications for B107.1: Wrenching End Outside Diameter: 1.650 INCHES MAXIMUM IN; Special Markings: 15/16 IN. IN; Features Provided: MANUAL TOOL; Special Features: FORGED STEEL. 16 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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