PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.10Ratchet Attachment,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-00-277-1207 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1207 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1207. Primary manufacturer part number: B107.10.
Features
  • Ratchet Attachment,socket Wrench — FSC 5120
  • Outside Diameter: 1.125 INCHES MAXIMUM IN
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Style Designator: EXTERNAL-INTERNAL
  • Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 05047-AMSE B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE FIRST END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Ratchet Attachment,socket Wrench, cataloged under National Stock Number 5120-00-277-1207, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 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
NSN5120-00-277-1207
Primary Part NumberB107.10
Item NameRatchet Attachment,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Outside Diameter1.125 INCHES MAXIMUM IN
Drive End ShapeSQUARE SECOND END EXTERNAL
Style DesignatorEXTERNAL-INTERNAL
Drive Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data05047-AMSE B107.110 CAT 10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE FIRST END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND B STYLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-004-8066300-10 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
5120-00-227-8129 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7322 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7323 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
5120-00-243-7324 INTERCHANGEABLE
Ratchet Attachment,socket Wrench
1650-00-276-950530010 INTERCHANGEABLE
Valve Assy
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4330-00-531-434330010 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
6650-00-559-1462AX30010 INTERCHANGEABLE
Magnifier
Edmund Optics, Inc
5330-00-768-7216 INTERCHANGEABLE
Gasket
5805-00-782-9210A3000817 INTERCHANGEABLE
Ff Hook Light Asse
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
B107.10 The American Society of Mechanical Engineers (USA)
B107.110 CAT 10 TY2CL3STB General Services Administration Federal Supply Service (USA)
GGG-W-641 TY4CL5STB General Services Administration Federal Supply Service (USA)
B107.10 TY2CL3STB General Services Administration Federal Supply Service (USA)
A-A-2173 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.110 The American Society of Mechanical Engineers (USA)
30010 Williams J H Industrial Products Inc (USA)
B107.10M The American Society of Mechanical Engineers (USA)
B107.10M TY2CL3ST2 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6625-00-004-8066INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
300-10
5120-00-227-8129INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7322INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7323INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
5120-00-243-7324INTERCHANGEABLE
RATCHET ATTACHMENT,SOCKET WRENCH
1650-00-276-9505INTERCHANGEABLE
VALVE ASSY
30010
4330-00-531-4343INTERCHANGEABLE
FILTER ELEMENT,FLUID
30010
6650-00-559-1462INTERCHANGEABLE
MAGNIFIER
AX30010
5330-00-768-7216INTERCHANGEABLE
GASKET
5805-00-782-9210INTERCHANGEABLE
FF HOOK LIGHT ASSE
A3000817
5360-00-886-4832INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
30010
3020-01-181-2033INTERCHANGEABLE
GEAR CLUSTER
30010-1416

Frequently Asked Questions

What is NSN 5120-00-277-1207?

NSN 5120-00-277-1207 is a Ratchet Attachment,socket Wrench, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1207?

NSN 5120-00-277-1207 has 10 cross-referenced part numbers: B107.10 (The American Society of Mechanical Engineers), B107.110 CAT 10 TY2CL3STB (General Services Administration Federal Supply Service), GGG-W-641 TY4CL5STB (General Services Administration Federal Supply Service), B107.10 TY2CL3STB (General Services Administration Federal Supply Service), A-A-2173 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5120-00-277-1207?

There are 12 known substitutes for 5120-00-277-1207: 6625-00-004-8066, 5120-00-227-8129, 5120-00-243-7322 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.10?

Key specifications for B107.10: Outside Diameter: 1.125 INCHES MAXIMUM IN; Special Features: SPINNER TYPE; Drive End Shape: SQUARE SECOND END EXTERNAL; Style Designator: EXTERNAL-INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1207 still in active supply?

NSN 5120-00-277-1207 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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