PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Society of Automotive Engineers Inc · NSN 5120-00-277-1561 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1561 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1561. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 0.688 INCHES NOMINAL SECOND END IN
  • Special Markings: WRENCH SIZE
  • Style Designator: DEEP ANGULAR OFFSET DOUBLE HEAD
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching End Offset Angle: 40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-277-1561, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Society of Automotive Engineers Inc. 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
NSN5120-00-277-1561
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Wrenching Surface Size0.688 INCHES NOMINAL SECOND END IN
Special MarkingsWRENCH SIZE
Style DesignatorDEEP ANGULAR OFFSET DOUBLE HEAD
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching End Offset Angle40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND A STYLE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface Size0.625 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8680 INTERCHANGEABLE
Wrench,box
6620-00-199-8730 INTERCHANGEABLE
Indicator,pressure
5120-00-224-3138 INTERCHANGEABLE
Wrench,box
5120-00-224-3153 INTERCHANGEABLE
Wrench,box
5120-00-224-3154 INTERCHANGEABLE
Wrench,box
5120-00-264-5214 INTERCHANGEABLE
Wrench,box
5120-00-264-5215 INTERCHANGEABLE
Wrench,box
5120-00-264-5216 INTERCHANGEABLE
Wrench,box
5120-00-277-8304 INTERCHANGEABLE
Wrench,box
5120-00-288-7684 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 TY2CL3STB General Services Administration Federal Supply Service (USA)
5165408 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
B107.9 The American Society of Mechanical Engineers (USA)
AS954 Sae International Dba Sae International (USA)
A-A-1345 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 TY2CL3STA General Services Administration Federal Supply Service (USA)
15614 Applied Power Inc Power Packer (USA)
B107.6 The American Society of Mechanical Engineers (USA)
B107.9 TY3CL2 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-184-8680INTERCHANGEABLE
WRENCH,BOX
6620-00-199-8730INTERCHANGEABLE
INDICATOR,PRESSURE
5120-00-224-3138INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3153INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3154INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5214INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5215INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5216INTERCHANGEABLE
WRENCH,BOX
5120-00-277-8304INTERCHANGEABLE
WRENCH,BOX
5120-00-288-7684INTERCHANGEABLE
WRENCH,BOX
5330-00-292-0801INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-293-0122INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-277-1561?

NSN 5120-00-277-1561 is a Wrench,box, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1561?

NSN 5120-00-277-1561 has 12 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), B107.100 (The American Society of Mechanical Engineers), AS954 TY2CL3STB (General Services Administration Federal Supply Service), 5165408 (U S Army Tank Automotive Command Amsta-Im-Mm), B107.9 (The American Society of Mechanical Engineers) and 7 more.

What NSN replaces 5120-00-277-1561?

There are 12 known substitutes for 5120-00-277-1561: 5120-00-184-8680, 6620-00-199-8730, 5120-00-224-3138 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Overall Length: 5.500 INCHES MINIMUM AND 6.781 INCHES MAXIMUM IN; Wrenching Surface Size: 0.688 INCHES NOMINAL SECOND END IN; Special Markings: WRENCH SIZE; Style Designator: DEEP ANGULAR OFFSET DOUBLE HEAD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1561 still in active supply?

NSN 5120-00-277-1561 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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