PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FU20ASocket,socket Wrench

Sna Germany Gmbh · NSN 5120-00-237-4974 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-237-4974 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-237-4974. Primary manufacturer part number: FU20A.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.885 INCHES MAXIMUM IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: UNIVERSAL JOINT
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-237-4974, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sna Germany Gmbh. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 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
NSN5120-00-237-4974
Primary Part NumberFU20A
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSna Germany Gmbh
StatusCANCELLED
Drive End Outside Diameter0.885 INCHES MAXIMUM IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorUNIVERSAL JOINT
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Wrenching End Opening Depth0.343 INCHES MINIMUM IN
Surface TreatmentCHROMIUM OVERALL
Special Markings5/8 IN. IN
Wrenching End Outside Diameter0.885 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-152-2285 INTERCHANGEABLE
Socket Set,socket Wrench
5120-00-181-6785 INTERCHANGEABLE
Socket,socket Wrench
5910-00-195-6917 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5120-00-199-7686 INTERCHANGEABLE
Socket,socket Wrench
4320-00-212-9778CF2D INTERCHANGEABLE
Head,pump
Hale Products, Inc.
3455-00-228-5218171621 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5120-00-235-5847 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5872 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7611 INTERCHANGEABLE
Socket,socket Wrench
5120-00-236-7613 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
FU20A Sna Germany Gmbh (DEU)
F20 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.1 CL3 General Services Administration Federal Supply Service (USA)
XU202 Stanley Industrial & Automotive Llc (USA)
XU202R Stanley Industrial & Automotive Llc (USA)
A-A-1401 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
B107.1 The American Society of Mechanical Engineers (USA)
B107.1 TY3 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
40670 S K Hand Tool Corp (USA)
4420UV Duro Metal Products Co (USA)
SSU386F Westward Tools (CAN)
420J Thorsen Tool Co Sub of Wallace-Murray Corp (USA)
1109-13 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5120-00-152-2285INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5120-00-181-6785INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5910-00-195-6917INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5120-00-199-7686INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4320-00-212-9778INTERCHANGEABLE
HEAD,PUMP
CF2D
3455-00-228-5218INTERCHANGEABLE
CUTTER,MILLING,END
171621
5120-00-235-5847INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5872INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7611INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7613INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7615INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-236-7616INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-237-4974?

NSN 5120-00-237-4974 is a Socket,socket Wrench, manufactured by Sna Germany Gmbh, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-237-4974?

NSN 5120-00-237-4974 has 17 cross-referenced part numbers: FU20A (Sna Germany Gmbh), F20 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.1 CL3 (General Services Administration Federal Supply Service), XU202 (Stanley Industrial & Automotive Llc), XU202R (Stanley Industrial & Automotive Llc) and 12 more.

What NSN replaces 5120-00-237-4974?

There are 12 known substitutes for 5120-00-237-4974: 5120-00-152-2285, 5120-00-181-6785, 5910-00-195-6917 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FU20A?

Key specifications for FU20A: Overall Length: 2.250 INCHES MAXIMUM IN; Drive End Outside Diameter: 0.885 INCHES MAXIMUM IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Style Designator: UNIVERSAL JOINT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-237-4974 still in active supply?

NSN 5120-00-237-4974 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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