PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-12Socket,socket Wrench

Utica Tool Co Inc · NSN 5120-01-063-3953 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-063-3953 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-063-3953. Primary manufacturer part number: W-12.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.530 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 0.530 INCHES NOMINAL IN
  • Wrenching End Opening Depth: 0.281 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-063-3953, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Utica Tool Co Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5120-01-063-3953
Primary Part NumberW-12
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUtica Tool Co Inc
StatusACTIVE
Drive End Outside Diameter0.530 INCHES NOMINAL IN
Wrenching End Outside Diameter0.530 INCHES NOMINAL IN
Wrenching End Opening Depth0.281 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-626511X105 INTERCHANGEABLE
Washer,flat
Pdi Ground Support Systems, Inc.
5310-00-186-0971 INTERCHANGEABLE
Washer,key
3433-00-373-1736W-1-2 INTERCHANGEABLE
Tip,welding Torch
Victor Equipment Co
5310-00-825-7816W12 INTERCHANGEABLE
Washer,flat
Mitsubishi Chemical Advanced Materials Inc.
5945-00-960-4810W12 INTERCHANGEABLE
Heater
Ward Leonard Ct Llc
5310-01-190-2087W-12 INTERCHANGEABLE
Washer,lock
Air & Liquid Systems Corporation Dba Buffalo Pumps
5315-01-191-7136 INTERCHANGEABLE
Pin,lock
5310-01-214-4897R007895L INTERCHANGEABLE
Washer,keyway
Meritor Industrial Products, Llc
2920-01-298-5447W-12 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Fenner Fluid Power Inc
6250-01-300-7995W12 INTERCHANGEABLE
Lampholder
Lithonia Lighting National Services Industries Inc Div
Cross-Reference Index
Part NumberManufacturer
W-12 Utica Tool Co Inc (USA)
28718-24 Utica Tool Co Inc (USA)
Related Parts
5310-00-010-6265INTERCHANGEABLE
WASHER,FLAT
11X105
5310-00-186-0971INTERCHANGEABLE
WASHER,KEY
3433-00-373-1736INTERCHANGEABLE
TIP,WELDING TORCH
W-1-2
5310-00-825-7816INTERCHANGEABLE
WASHER,FLAT
W12
5945-00-960-4810INTERCHANGEABLE
HEATER
W12
5310-01-190-2087INTERCHANGEABLE
WASHER,LOCK
W-12
5315-01-191-7136INTERCHANGEABLE
PIN,LOCK
5310-01-214-4897INTERCHANGEABLE
WASHER,KEYWAY
R007895L
2920-01-298-5447INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
W-12
6250-01-300-7995INTERCHANGEABLE
LAMPHOLDER
W12
5310-01-449-7387INTERCHANGEABLE
WASHER,LOCK
88303 PC NO 21
5330-01-512-4223INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5120-01-063-3953?

NSN 5120-01-063-3953 is a Socket,socket Wrench, manufactured by Utica Tool Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-063-3953?

NSN 5120-01-063-3953 has 2 cross-referenced part numbers: W-12 (Utica Tool Co Inc), 28718-24 (Utica Tool Co Inc).

What NSN replaces 5120-01-063-3953?

There are 12 known substitutes for 5120-01-063-3953: 5310-00-010-6265, 5310-00-186-0971, 3433-00-373-1736 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-12?

Key specifications for W-12: Drive End Outside Diameter: 0.530 INCHES NOMINAL IN; Wrenching End Outside Diameter: 0.530 INCHES NOMINAL IN; Wrenching End Opening Depth: 0.281 INCHES NOMINAL IN; Overall Length: 0.875 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com