PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.6Wrench,box

The American Society of Mechanical Engineers · NSN 5120-00-277-1590 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1590 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1590. Primary manufacturer part number: B107.6.
Features
  • Wrench,box — FSC 5120
  • Large End Outside Diameter: 1.625 INCHES MAXIMUM IN
  • Small End Outside Diameter: 1.438 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.938 INCHES NOMINAL FIRST END IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Large End Head Thickness: 0.688 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-277-1590, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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
NSN5120-00-277-1590
Primary Part NumberB107.6
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Large End Outside Diameter1.625 INCHES MAXIMUM IN
Small End Outside Diameter1.438 INCHES MAXIMUM IN
Wrenching Surface Size0.938 INCHES NOMINAL FIRST END IN
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Large End Head Thickness0.688 INCHES MAXIMUM IN
Special MarkingsWRENCH SIZE
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size1.062 INCHES NOMINAL SECOND END IN
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Small End Head Thickness0.625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-224-3149XD1922 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-224-3150XV2526 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1439 INTERCHANGEABLE
Wrench,box
5120-00-277-1589 INTERCHANGEABLE
Wrench,box
5120-00-277-1593 INTERCHANGEABLE
Wrench,box
5120-00-277-1594 INTERCHANGEABLE
Wrench,box
5120-00-277-3363 INTERCHANGEABLE
Wrench,box
5120-00-277-3366 INTERCHANGEABLE
Wrench,box
4920-00-279-52412895B INTERCHANGEABLE
Tape Punch,test Stand
Hewlett-Packard Company Dba HP
2910-00-628-517019800 INTERCHANGEABLE
Nozzle,fuel Injection
Fairbanks Morse, Llc
Cross-Reference Index
Part NumberManufacturer
B107.6 The American Society of Mechanical Engineers (USA)
B107.9 The American Society of Mechanical Engineers (USA)
GGG-W-636 TY1CL1ST1 General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
26-754 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.100 The American Society of Mechanical Engineers (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
26-754 Apex Tool Group, Llc Dba Nicholson (USA)
26-754 Armstrong Bros Tool Co (USA)
AS954 TY2CL1STA General Services Administration Federal Supply Service (USA)
2895B Bonney Forge Corp (USA)
B107.9 TY1CL1 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-224-3149INTERCHANGEABLE
WRENCH,BOX
XD1922
5120-00-224-3150INTERCHANGEABLE
WRENCH,BOX
XV2526
5120-00-277-1439INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1589INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1593INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1594INTERCHANGEABLE
WRENCH,BOX
5120-00-277-3363INTERCHANGEABLE
WRENCH,BOX
5120-00-277-3366INTERCHANGEABLE
WRENCH,BOX
4920-00-279-5241INTERCHANGEABLE
TAPE PUNCH,TEST STAND
2895B
2910-00-628-5170INTERCHANGEABLE
NOZZLE,FUEL INJECTION
19800
5999-00-961-6021INTERCHANGEABLE
CONTACT,ELECTRICAL
2269357PC3
6105-01-010-0085INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 5120-00-277-1590?

NSN 5120-00-277-1590 is a Wrench,box, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1590?

NSN 5120-00-277-1590 has 13 cross-referenced part numbers: B107.6 (The American Society of Mechanical Engineers), B107.9 (The American Society of Mechanical Engineers), GGG-W-636 TY1CL1ST1 (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), 26-754 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 8 more.

What NSN replaces 5120-00-277-1590?

There are 12 known substitutes for 5120-00-277-1590: 5120-00-224-3149, 5120-00-224-3150, 5120-00-277-1439 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.6?

Key specifications for B107.6: Large End Outside Diameter: 1.625 INCHES MAXIMUM IN; Small End Outside Diameter: 1.438 INCHES MAXIMUM IN; Wrenching Surface Size: 0.938 INCHES NOMINAL FIRST END IN; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1590 still in active supply?

NSN 5120-00-277-1590 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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