PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RX12Wrench,open End Box

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-224-3155 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-224-3155 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-224-3155. Primary manufacturer part number: RX12.
Features
  • Wrench,open End Box — FSC 5120
  • Specification/standard Data: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
  • Style Designator: FLARE NUT SINGLE END
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND D STYLE
  • Head Thickness: 0.312 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End Box, cataloged under National Stock Number 5120-00-224-3155, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5120-00-224-3155
Primary Part NumberRX12
Item NameWrench,open End Box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Style DesignatorFLARE NUT SINGLE END
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS AND D STYLE
Head Thickness0.312 INCHES MAXIMUM IN
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-3103 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3104 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3105 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3106 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3156 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3157 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3158 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3159 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3160 INTERCHANGEABLE
Wrench,open End Box
5120-00-224-3161 INTERCHANGEABLE
Wrench,open End Box
Cross-Reference Index
Part NumberManufacturer
AS4167 Society of Automotive Engineers Inc (USA)
A-A-1350 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 TY14 General Services Administration Federal Supply Service (USA)
RX12 Sna Germany Gmbh (DEU)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
RX12 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS4167 Sae International Dba Sae International (USA)
AS4167 TY1CL2STD General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-224-3103INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3104INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3105INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3106INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3156INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3157INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3158INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3159INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3160INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3161INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3162INTERCHANGEABLE
WRENCH,OPEN END BOX
5120-00-224-3163INTERCHANGEABLE
WRENCH,OPEN END BOX
4128

Frequently Asked Questions

What is NSN 5120-00-224-3155?

NSN 5120-00-224-3155 is a Wrench,open End Box, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-224-3155?

NSN 5120-00-224-3155 has 8 cross-referenced part numbers: AS4167 (Society of Automotive Engineers Inc), A-A-1350 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GGG-W-636 TY14 (General Services Administration Federal Supply Service), RX12 (Sna Germany Gmbh), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5120-00-224-3155?

There are 12 known substitutes for 5120-00-224-3155: 5120-00-224-3103, 5120-00-224-3104, 5120-00-224-3105 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RX12?

Key specifications for RX12: Specification/standard Data: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL; Style Designator: FLARE NUT SINGLE END. 9 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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