PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-1345Wrench,box

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5120-00-224-3138 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-224-3138 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-224-3138. Primary manufacturer part number: A-A-1345.
Features
  • Wrench,box — FSC 5120
  • Small End Head Thickness: 0.469 INCHES MAXIMUM IN
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.750 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 0.625 INCHES NOMINAL FIRST END IN
  • Wrenching End Offset Angle: 40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-224-3138, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, 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
NSN5120-00-224-3138
Primary Part NumberA-A-1345
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Small End Head Thickness0.469 INCHES MAXIMUM IN
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching Surface Size0.750 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.625 INCHES NOMINAL FIRST END IN
Wrenching End Offset Angle40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Style DesignatorDEEP ANGULAR OFFSET DOUBLE HEAD
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Special MarkingsWRENCH SIZE
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND A STYLE
Large End Head Thickness0.531 INCHES MAXIMUM IN
Small End Outside Diameter0.969 INCHES MAXIMUM IN
Large End Outside Diameter1.125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-184-8680 INTERCHANGEABLE
Wrench,box
5120-00-224-3153 INTERCHANGEABLE
Wrench,box
5120-00-224-3154 INTERCHANGEABLE
Wrench,box
5120-00-264-5214 INTERCHANGEABLE
Wrench,box
5120-00-264-5215 INTERCHANGEABLE
Wrench,box
5120-00-264-5216 INTERCHANGEABLE
Wrench,box
5120-00-277-1561 INTERCHANGEABLE
Wrench,box
5120-00-277-8304 INTERCHANGEABLE
Wrench,box
5120-00-288-7684 INTERCHANGEABLE
Wrench,box
5120-00-293-0122 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
A-A-1345 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
TVA5120-2-263-030-1.1.7 Ministerie Van Defensie Clasmatlogco/afd Logistiek/sie Assmngt & Vrdbh (NLD)
AS954 TY2CL3STA General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.6 The American Society of Mechanical Engineers (USA)
AS954 Sae International Dba Sae International (USA)
B107.9 The American Society of Mechanical Engineers (USA)
B107.9 TY3CL2 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
TVA5120-2-263-030 Ministerie Van Defensie Clasmatlogco/afd Logistiek/sie Assmngt & Vrdbh (NLD)
10082443 Nimikkeistokeskus Ncb Finland (FIN)
AS954 TY2CL3STB General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-184-8680INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3153INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3154INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5214INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5215INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5216INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1561INTERCHANGEABLE
WRENCH,BOX
5120-00-277-8304INTERCHANGEABLE
WRENCH,BOX
5120-00-288-7684INTERCHANGEABLE
WRENCH,BOX
5120-00-293-0122INTERCHANGEABLE
WRENCH,BOX
5120-00-554-7289INTERCHANGEABLE
WRENCH SET,BOX
5120-01-378-5766INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-224-3138?

NSN 5120-00-224-3138 is a Wrench,box, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-224-3138?

NSN 5120-00-224-3138 has 13 cross-referenced part numbers: A-A-1345 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AS954 (Society of Automotive Engineers Inc), TVA5120-2-263-030-1.1.7 (Ministerie Van Defensie Clasmatlogco/afd Logistiek/sie Assmngt & Vrdbh), AS954 TY2CL3STA (General Services Administration Federal Supply Service), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 8 more.

What NSN replaces 5120-00-224-3138?

There are 12 known substitutes for 5120-00-224-3138: 5120-00-184-8680, 5120-00-224-3153, 5120-00-224-3154 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-1345?

Key specifications for A-A-1345: Small End Head Thickness: 0.469 INCHES MAXIMUM IN; Overall Length: 6.400 INCHES MINIMUM AND 6.900 INCHES MAXIMUM IN; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Wrenching Surface Size: 0.750 INCHES NOMINAL SECOND END IN. 16 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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