PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1230LWrench,box and Open End,combinat

The Stanley Works Dba Stanley Proto · NSN 5120-01-335-1251 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1251 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1251. Primary manufacturer part number: 1230L.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Style Designator: OFFSET
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND D STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-335-1251, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The Stanley Works Dba Stanley Proto. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-1251
Primary Part Number1230L
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe Stanley Works Dba Stanley Proto
StatusCANCELLED
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Style DesignatorOFFSET
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND D STYLE
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.938 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-01-335-1243 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1245JHW-11218 INTERCHANGEABLE
Wrench,box and Open End,combinat
Williams J H Industrial Products Inc
5120-01-335-1246 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1247 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1249 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1250 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1252 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-367-3372 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-367-3374 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-399-8803 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
1230L The Stanley Works Dba Stanley Proto (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 TY2CL4STA General Services Administration Federal Supply Service (USA)
1ALH3 W.w. Grainger, Inc. Div Government Sales Division (USA)
AS954 Sae International Dba Sae International (USA)
OEXL30 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.6 TY3 General Services Administration Federal Supply Service (USA)
OEXL30B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.6 The American Society of Mechanical Engineers (USA)
OEXL30B Snap on Tools (AUS)
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY2CL4STD General Services Administration Federal Supply Service (USA)
Related Parts
5120-01-335-1243INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1245INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
JHW-11218
5120-01-335-1246INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1247INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1249INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1250INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1252INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-367-3372INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-367-3374INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8803INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8830INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8851INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5120-01-335-1251?

NSN 5120-01-335-1251 is a Wrench,box and Open End,combinat, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-1251?

NSN 5120-01-335-1251 has 12 cross-referenced part numbers: 1230L (The Stanley Works Dba Stanley Proto), B107.100 (The American Society of Mechanical Engineers), AS954 TY2CL4STA (General Services Administration Federal Supply Service), 1ALH3 (W.w. Grainger, Inc. Div Government Sales Division), AS954 (Sae International Dba Sae International) and 7 more.

What NSN replaces 5120-01-335-1251?

There are 12 known substitutes for 5120-01-335-1251: 5120-01-335-1243, 5120-01-335-1245, 5120-01-335-1246 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1230L?

Key specifications for 1230L: Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1251 still in active supply?

NSN 5120-01-335-1251 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.
PartsTable Design LLC · partstable.com