PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00-243-7343Socket,socket Wrench

Replacement NSN of Temporarily Maintained NSN · NSN 5120-00-935-7452 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-935-7452 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-935-7452. Primary manufacturer part number: 00-243-7343.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-935-7452, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Replacement NSN of Temporarily Maintained NSN. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-935-7452
Primary Part Number00-243-7343
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerReplacement NSN of Temporarily Maintained NSN
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Wrenching Surface Size0.938 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5340-00-073-1757123-30 INTERCHANGEABLE
Standoff,threaded,spacing
Avionics Specialties, Inc.
5133-00-227-9673 INTERCHANGEABLE
Drill,twist
3030-00-288-5614B64-2 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
5130-00-527-842312330 INTERCHANGEABLE
Blade,reciprocating Saw
Porter Cable/delta
5330-00-814-0643 INTERCHANGEABLE
Seal,plain Encased
5950-00-823-993212330 INTERCHANGEABLE
Reactor
Torotel, Inc. Div Torotel Products, Inc.
5970-01-069-8922SMC1018 INTERCHANGEABLE
Insulator,plate
Serra Manufacturing Corporation Dba Serra Manufacturing
5360-01-269-059712330 INTERCHANGEABLE
Spring,helical,compression
Todd Combustion Inc
Cross-Reference Index
Part NumberManufacturer
00-243-7343 Replacement NSN of Temporarily Maintained NSN
12-330 Armstrong Bros Tool Co (USA)
34230-02 Utica Tool Co Inc (USA)
12-330 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
12-330 Satair A/s (DNK)
AL-30 Utica Tool Co Inc (USA)
AS954 Sae International Dba Sae International (USA)
12-330 Apex Tool Group, Llc Dba Nicholson (USA)
AS954 Society of Automotive Engineers Inc (USA)
Related Parts
5340-00-073-1757INTERCHANGEABLE
STANDOFF,THREADED,SPACING
123-30
5133-00-227-9673INTERCHANGEABLE
DRILL,TWIST
3030-00-288-5614INTERCHANGEABLE
BELTS,V,MATCHED SET
B64-2
5130-00-527-8423INTERCHANGEABLE
BLADE,RECIPROCATING SAW
12330
5330-00-814-0643INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-00-823-9932INTERCHANGEABLE
REACTOR
12330
5970-01-069-8922INTERCHANGEABLE
INSULATOR,PLATE
SMC1018
5360-01-269-0597INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12330

Frequently Asked Questions

What is NSN 5120-00-935-7452?

NSN 5120-00-935-7452 is a Socket,socket Wrench, manufactured by Replacement NSN of Temporarily Maintained NSN, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-935-7452?

NSN 5120-00-935-7452 has 10 cross-referenced part numbers: 00-243-7343 (Replacement NSN of Temporarily Maintained NSN), 12-330 (Armstrong Bros Tool Co), 34230-02 (Utica Tool Co Inc), 12-330 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), AS954 TY1CL1STB (General Services Administration Federal Supply Service) and 5 more.

What NSN replaces 5120-00-935-7452?

There are 8 known substitutes for 5120-00-935-7452: 5340-00-073-1757, 5133-00-227-9673, 3030-00-288-5614 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00-243-7343?

Key specifications for 00-243-7343: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE; Overall Length: 2.930 INCHES MINIMUM IN; Wrenching Surface Size: 0.938 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 13 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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