PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88290Wrench,box and Open End,combinat

S K Hand Tool Corp · NSN 5120-01-398-9291 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-9291 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-9291. Primary manufacturer part number: 88290.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE
  • Head 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 5120-01-398-9291, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. 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
NSN5120-01-398-9291
Primary Part Number88290
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusCANCELLED
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND B STYLE
Head Angle15.0 DEGREES NOMINAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.312 INCHES NOMINAL BOTH ENDS IN
Style DesignatorOFFSET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
8345-00-016-6475 INTERCHANGEABLE
Flag,national
6125-00-040-9702 INTERCHANGEABLE
Housing,blower Dyna
5950-00-084-3476 INTERCHANGEABLE
Reactor
5120-00-228-9503 INTERCHANGEABLE
Wrench,box and Open End,combinat
4820-00-234-6530631-10 INTERCHANGEABLE
Valve,pressure Equalizing,gaseou
Stratotech Llc
3750-00-243-2408 INTERCHANGEABLE
Rake,garden
5120-00-329-329863110 INTERCHANGEABLE
Clamp,screw,quick Adjusting
Wilton Corp Wilton Tool Div
6150-00-383-2506234-0265-00 INTERCHANGEABLE
Housing,electrical Rotating Equi
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3820-00-429-7667 INTERCHANGEABLE
Plunger
6930-00-480-308844691 INTERCHANGEABLE
Gear-Air Speed
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
63-110 Apex Tool Group, Llc Dba Nicholson (USA)
B107.100 The American Society of Mechanical Engineers (USA)
88290 PRIMARY S K Hand Tool Corp (USA)
AS954 TY2CL4STB General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
00944691000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
9-44691 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS954 Sae International Dba Sae International (USA)
63-110 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
44691 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
8345-00-016-6475INTERCHANGEABLE
FLAG,NATIONAL
6125-00-040-9702INTERCHANGEABLE
HOUSING,BLOWER DYNA
5950-00-084-3476INTERCHANGEABLE
REACTOR
5120-00-228-9503INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
4820-00-234-6530INTERCHANGEABLE
VALVE,PRESSURE EQUALIZING,GASEOU
631-10
3750-00-243-2408INTERCHANGEABLE
RAKE,GARDEN
5120-00-329-3298INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
63110
6150-00-383-2506INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
234-0265-00
3820-00-429-7667INTERCHANGEABLE
PLUNGER
6930-00-480-3088INTERCHANGEABLE
GEAR-AIR SPEED
44691
5950-00-827-7179INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
63110
5950-00-938-7327INTERCHANGEABLE
COIL,RADIO FREQUENCY
63110

Frequently Asked Questions

What is NSN 5120-01-398-9291?

NSN 5120-01-398-9291 is a Wrench,box and Open End,combinat, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-398-9291?

NSN 5120-01-398-9291 has 12 cross-referenced part numbers: 63-110 (Apex Tool Group, Llc Dba Nicholson), B107.100 (The American Society of Mechanical Engineers), 88290 (S K Hand Tool Corp), AS954 TY2CL4STB (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc) and 7 more.

What NSN replaces 5120-01-398-9291?

There are 12 known substitutes for 5120-01-398-9291: 8345-00-016-6475, 6125-00-040-9702, 5950-00-084-3476 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 88290?

Key specifications for 88290: Wrenching Surface Shape: OVAL FIRST END INTERNAL; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-398-9291 still in active supply?

NSN 5120-01-398-9291 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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