PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TR3AWrench,socket

Summit Tool Company · NSN 5120-01-487-6301 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-487-6301 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-487-6301. Primary manufacturer part number: TR3A.
Features
  • Wrench,socket — FSC 5120
  • Wrenching Surface Size: 1.125 INCHES NOMINAL SECOND END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS INTERNAL
  • Style Designator: DOUBLE END SOCKET
  • Wrenching Surface Size: 1.063 INCHES NOMINAL FIRST END IN
  • 2 verified cross-references
  • Primary manufacturer: Summit Tool Company
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,socket, cataloged under National Stock Number 5120-01-487-6301, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Summit Tool Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-487-6301
Primary Part NumberTR3A
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSummit Tool Company
StatusACTIVE
Wrenching Surface Size1.125 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS INTERNAL
Style DesignatorDOUBLE END SOCKET
Wrenching Surface Size1.063 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-00-173-7224 INTERCHANGEABLE
File,rotary
5977-00-834-947852507 INTERCHANGEABLE
Holder,electrical Contact Brush
Stewart & Stevenson Power Products Llc
1055-01-626-535752507 INTERCHANGEABLE
Trigger
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
52-507 Myers Industries Inc Div Corporate (USA)
TR3A PRIMARY Summit Tool Company (USA)
Related Parts
3455-00-173-7224INTERCHANGEABLE
FILE,ROTARY
5977-00-834-9478INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
52507
1055-01-626-5357INTERCHANGEABLE
TRIGGER
52507

Frequently Asked Questions

What is NSN 5120-01-487-6301?

NSN 5120-01-487-6301 is a Wrench,socket, manufactured by Summit Tool Company, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-487-6301?

NSN 5120-01-487-6301 has 2 cross-referenced part numbers: 52-507 (Myers Industries Inc Div Corporate), TR3A (Summit Tool Company).

What NSN replaces 5120-01-487-6301?

There are 3 known substitutes for 5120-01-487-6301: 3455-00-173-7224, 5977-00-834-9478, 1055-01-626-5357. Verify interchangeability with system specifications before substitution.

What are the specifications of TR3A?

Key specifications for TR3A: Wrenching Surface Size: 1.125 INCHES NOMINAL SECOND END IN; Material: STEEL OVERALL; Wrenching Surface Shape: HEXAGON BOTH ENDS INTERNAL; Style Designator: DOUBLE END SOCKET. 7 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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