PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10082478Wrench,open End

Nimikkeistokeskus Ncb Finland · NSN 5120-00-277-1239 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1239 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1239. Primary manufacturer part number: 10082478.
Features
  • Wrench,open End — FSC 5120
  • Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Torque Capacity: 51660.0 INCH-POUNDS MINIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
  • Surface Treatment: ENAMEL AND CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-1239, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Nimikkeistokeskus Ncb Finland. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 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
NSN5120-00-277-1239
Primary Part Number10082478
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNimikkeistokeskus Ncb Finland
StatusCANCELLED
Wrenching Surface Size2.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Torque Capacity51660.0 INCH-POUNDS MINIMUM IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Surface TreatmentENAMEL AND CHROMIUM OVERALL
Head Thickness1.125 INCHES MAXIMUM IN
Style DesignatorSINGLE HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2815-00-106-24951013-A INTERCHANGEABLE
Piston,internal Combustion Engin
Viking Incorporated Dba Viking Inc
3439-00-255-8877 INTERCHANGEABLE
Electrode,welding
3439-00-276-0401 INTERCHANGEABLE
Electrode,welding
4130-00-405-9963 INTERCHANGEABLE
Valve,discharge
2510-00-496-3257 INTERCHANGEABLE
Leaf
3455-00-531-132719636 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5120-00-600-33065120-00-600-3306 INTERCHANGEABLE
Puller,mechanical
General Services Administration Federal Supply Service
2925-00-992-256624158 INTERCHANGEABLE
Parts Kit,e,citer
Unison Industries Llc
7045-01-144-8470 INTERCHANGEABLE
Disk,flexible
2590-01-219-203631072 INTERCHANGEABLE
Cap,filler Opening
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
10082478 Nimikkeistokeskus Ncb Finland (FIN)
1013A Shadbolt and Boyd Co (USA)
6296262 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1013A Williams J H Industrial Products Inc (USA)
31-072 Apex Tool Group, Llc Dba Nicholson (USA)
A-A-1357 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
1013A Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
31-072 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
31-072 Armstrong Bros Tool Co (USA)
GGG-W-636 TY5 General Services Administration Federal Supply Service (USA)
Related Parts
2815-00-106-2495INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
1013-A
3439-00-255-8877INTERCHANGEABLE
ELECTRODE,WELDING
3439-00-276-0401INTERCHANGEABLE
ELECTRODE,WELDING
4130-00-405-9963INTERCHANGEABLE
VALVE,DISCHARGE
2510-00-496-3257INTERCHANGEABLE
LEAF
3455-00-531-1327INTERCHANGEABLE
REAMER,MACHINE
19636
5120-00-600-3306INTERCHANGEABLE
PULLER,MECHANICAL
5120-00-600-3306
2925-00-992-2566INTERCHANGEABLE
PARTS KIT,E,CITER
24158
7045-01-144-8470INTERCHANGEABLE
DISK,FLEXIBLE
2590-01-219-2036INTERCHANGEABLE
CAP,FILLER OPENING
31072
5360-01-326-9311INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
31072
5995-01-387-9347INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 5120-00-277-1239?

NSN 5120-00-277-1239 is a Wrench,open End, manufactured by Nimikkeistokeskus Ncb Finland, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1239?

NSN 5120-00-277-1239 has 11 cross-referenced part numbers: 10082478 (Nimikkeistokeskus Ncb Finland), 1013A (Shadbolt and Boyd Co), 6296262 (U S Army Tank Automotive Command Amsta-Im-Mm), 1013A (Williams J H Industrial Products Inc), 31-072 (Apex Tool Group, Llc Dba Nicholson) and 6 more.

What NSN replaces 5120-00-277-1239?

There are 12 known substitutes for 5120-00-277-1239: 2815-00-106-2495, 3439-00-255-8877, 3439-00-276-0401 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10082478?

Key specifications for 10082478: Wrenching Surface Size: 2.250 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Overall Length: 20.000 INCHES MINIMUM IN; Head Angle: 15.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1239 still in active supply?

NSN 5120-00-277-1239 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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