PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-34Socket,socket Wrench

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · NSN 5120-01-577-7954 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-577-7954 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-577-7954. Primary manufacturer part number: T-34.
Features
  • Socket,socket Wrench — FSC 5120
  • 1 verified cross-reference
  • Primary manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-577-7954, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-577-7954
Primary Part NumberT-34
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerBarrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-156-1487E53 INTERCHANGEABLE
Bearing,roller,thrust
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
5940-00-197-9755 INTERCHANGEABLE
Terminal,lug
5120-00-243-73385120-00-243-7338 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
General Services Administration Federal Supply Service
3110-00-554-3247059-1 INTERCHANGEABLE
Bearing,ball,annular
Jay Electric Co
4820-00-800-9731 INTERCHANGEABLE
Valve,safety Relief
5340-00-930-8070 INTERCHANGEABLE
Clamp,loop
3010-01-190-6208 INTERCHANGEABLE
Coupling,shaft,flexible
5340-01-262-2071P-846-2 INTERCHANGEABLE
Handwheel
Clark-Reliance Llc Dba Jerguson Gage & Valve
4730-01-262-2082P-70-1 INTERCHANGEABLE
Packing Nut
Clark-Reliance Llc Dba Jerguson Gage & Valve
5310-01-262-2093P-70-2 INTERCHANGEABLE
Nut,sleeve
Clark-Reliance Llc Dba Jerguson Gage & Valve
Cross-Reference Index
Part NumberManufacturer
T-34 PRIMARY Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
Related Parts
3110-00-156-1487INTERCHANGEABLE
BEARING,ROLLER,THRUST
E53
5940-00-197-9755INTERCHANGEABLE
TERMINAL,LUG
5120-00-243-7338INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5120-00-243-7338
3110-00-554-3247INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-1
4820-00-800-9731INTERCHANGEABLE
VALVE,SAFETY RELIEF
5340-00-930-8070INTERCHANGEABLE
CLAMP,LOOP
3010-01-190-6208INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
5340-01-262-2071INTERCHANGEABLE
HANDWHEEL
P-846-2
4730-01-262-2082INTERCHANGEABLE
PACKING NUT
P-70-1
5310-01-262-2093INTERCHANGEABLE
NUT,SLEEVE
P-70-2

Frequently Asked Questions

What is NSN 5120-01-577-7954?

NSN 5120-01-577-7954 is a Socket,socket Wrench, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-577-7954?

NSN 5120-01-577-7954 has 1 cross-referenced part number: T-34 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc).

What NSN replaces 5120-01-577-7954?

There are 10 known substitutes for 5120-01-577-7954: 3110-00-156-1487, 5940-00-197-9755, 5120-00-243-7338 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-34?

Key specifications for T-34: Special Features: SOCKET RAIL 12 CLIPS; DRIVE RANGE:1/4 INCH DRIVE THROUGH 7 3/8 INCH DRIVE IN; Part Name Assigned by Controlling Agency: TOOL, 7 3/8 INCH SOCKET RAIL IN. 2 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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