PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4131Socket,socket Wrench

Wright Tool Co · NSN 5120-01-425-9028 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-425-9028 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-425-9028. Primary manufacturer part number: 4131.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.969 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-425-9028, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5120-01-425-9028
Primary Part Number4131
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.969 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-036-1779010-303-0067 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5940-00-192-996141-31 INTERCHANGEABLE
Terminal Board
Entron Industries Limited Partnership Dba Entron Industries Property Div
5920-00-298-0700261-1 INTERCHANGEABLE
Limiter,current
Astronics Advanced Electronic Systems Corp. Dba Astronics Advanced Electronic Systems
5305-00-349-81784131 INTERCHANGEABLE
Screw,plate
Wakmann Watch Company Inc
6532-01-012-45164131 INTERCHANGEABLE
Footwear Covers,operating Room
Precept Inc
5962-01-103-5926 INTERCHANGEABLE
Microcircuit,linear
4820-01-154-1195 INTERCHANGEABLE
Control Valve,gear
5910-01-206-864811441045 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Us Army Aviation and Missile Command
6625-01-239-67154131 INTERCHANGEABLE
Test Set,radio
Bird Electronic Corporation Div Bird Electronic Corp
4510-01-254-36614-131 INTERCHANGEABLE
Shower Head
Symmons Industries Inc
Cross-Reference Index
Part NumberManufacturer
4131 PRIMARY Wright Tool Co (USA)
Related Parts
4820-00-036-1779INTERCHANGEABLE
SEAT,VALVE
010-303-0067
5940-00-192-9961INTERCHANGEABLE
TERMINAL BOARD
41-31
5920-00-298-0700INTERCHANGEABLE
LIMITER,CURRENT
261-1
5305-00-349-8178INTERCHANGEABLE
SCREW,PLATE
4131
6532-01-012-4516INTERCHANGEABLE
FOOTWEAR COVERS,OPERATING ROOM
4131
5962-01-103-5926INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4820-01-154-1195INTERCHANGEABLE
CONTROL VALVE,GEAR
5910-01-206-8648INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
11441045
6625-01-239-6715INTERCHANGEABLE
TEST SET,RADIO
4131
4510-01-254-3661INTERCHANGEABLE
SHOWER HEAD
4-131

Frequently Asked Questions

What is NSN 5120-01-425-9028?

NSN 5120-01-425-9028 is a Socket,socket Wrench, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-425-9028?

NSN 5120-01-425-9028 has 1 cross-referenced part number: 4131 (Wright Tool Co).

What NSN replaces 5120-01-425-9028?

There are 10 known substitutes for 5120-01-425-9028: 4820-00-036-1779, 5940-00-192-9961, 5920-00-298-0700 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4131?

Key specifications for 4131: Special Features: STANDARD LENGTH; Style Designator: INTERNAL-INTERNAL; Features Provided: MANUAL TOOL; Surface Treatment: CHROMIUM OVERALL. 10 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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