PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3995959Wrench,box and Open End,combinat

Oshkosh Defense Llc · NSN 5120-01-054-7131 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-054-7131 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-054-7131. Primary manufacturer part number: 3995959.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Style Designator: OFFSET
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE
  • Head Angle: 15.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-054-7131, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-054-7131
Primary Part Number3995959
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Style DesignatorOFFSET
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND B STYLE
Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Size13.0 MILLIMETERS NOMINAL BOTH ENDS MM
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2940-01-289-554242917 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
3455-01-305-5075TABLE 68, D1/2IN INTERCHANGEABLE
Cutter,milling,end
The American Society of Mechanical Engineers
5120-01-398-935200942917000 INTERCHANGEABLE
Wrench,box and Open End,combinat
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
1560-01-475-612042917 INTERCHANGEABLE
Duct Assembly,bleed Air
Lockheed Martin Aeronautical Systems Support Company Dba Lmassc
Cross-Reference Index
Part NumberManufacturer
3995959 Oshkosh Defense Llc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
42917 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
87742443 Cnh Industrial America Llc Dba Cnh America (USA)
AS954 Sae International Dba Sae International (USA)
9-42917 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS955 Society of Automotive Engineers Inc (USA)
B107.9M The American Society of Mechanical Engineers (USA)
00942917000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
AS955 TY3CL1STB General Services Administration Federal Supply Service (USA)
600 Metric and Multistandard Components Corp (USA)
DIN 600 13X13MM Metric and Multistandard Components Corp (USA)
AS955 Sae International Dba Sae International (USA)
B107.6 The American Society of Mechanical Engineers (USA)
600-13MMX13MM Metric and Multistandard Components Corp (USA)
AS954 TY2CL4STB General Services Administration Federal Supply Service (USA)
Related Parts
2940-01-289-5542INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42917
3455-01-305-5075INTERCHANGEABLE
CUTTER,MILLING,END
TABLE 68, D1/2IN
5120-01-398-9352INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
00942917000
1560-01-475-6120INTERCHANGEABLE
DUCT ASSEMBLY,BLEED AIR
42917

Frequently Asked Questions

What is NSN 5120-01-054-7131?

NSN 5120-01-054-7131 is a Wrench,box and Open End,combinat, manufactured by Oshkosh Defense Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-054-7131?

NSN 5120-01-054-7131 has 17 cross-referenced part numbers: 3995959 (Oshkosh Defense Llc), B107.100 (The American Society of Mechanical Engineers), 42917 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 87742443 (Cnh Industrial America Llc Dba Cnh America), AS954 (Sae International Dba Sae International) and 12 more.

What NSN replaces 5120-01-054-7131?

There are 4 known substitutes for 5120-01-054-7131: 2940-01-289-5542, 3455-01-305-5075, 5120-01-398-9352 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3995959?

Key specifications for 3995959: Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Style Designator: OFFSET; Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE; Head Angle: 15.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-054-7131 still in active supply?

NSN 5120-01-054-7131 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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