PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955Wrench,box and Open End,combinat

Society of Automotive Engineers Inc · NSN 5120-01-399-8827 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-399-8827 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-399-8827. Primary manufacturer part number: AS955.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Head Angle: 15.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 36.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-399-8827, 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 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-399-8827
Primary Part NumberAS955
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size36.0 MILLIMETERS NOMINAL BOTH ENDS MM
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND C STYLE
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorOFFSET
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-01-537-7340J1236M INTERCHANGEABLE
Wrench,box and Open End,combinat
Proto Tool Company Inc
5120-01-652-0523 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
AS955 Society of Automotive Engineers Inc (USA)
AS955 Sae International Dba Sae International (USA)
1236M Stanley-Proto Industrial Works Div of the Stanley Works (USA)
1236M The Stanley Works Dba Stanley Proto (USA)
J1236M The Stanley Works Dba Stanley Proto (USA)
AS954 TY2CL4STC General Services Administration Federal Supply Service (USA)
AS955 TY3CL1STC General Services Administration Federal Supply Service (USA)
1ALP6 W.w. Grainger, Inc. Div Government Sales Division (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-01-537-7340INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
J1236M
5120-01-652-0523INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5120-01-399-8827?

NSN 5120-01-399-8827 is a Wrench,box and Open End,combinat, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-399-8827?

NSN 5120-01-399-8827 has 9 cross-referenced part numbers: AS955 (Society of Automotive Engineers Inc), AS955 (Sae International Dba Sae International), 1236M (Stanley-Proto Industrial Works Div of the Stanley Works), 1236M (The Stanley Works Dba Stanley Proto), J1236M (The Stanley Works Dba Stanley Proto) and 4 more.

What NSN replaces 5120-01-399-8827?

There are 2 known substitutes for 5120-01-399-8827: 5120-01-537-7340, 5120-01-652-0523. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955?

Key specifications for AS955: Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Head Angle: 15.0 DEGREES NOMINAL; Surface Treatment: CHROMIUM OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-399-8827 still in active supply?

NSN 5120-01-399-8827 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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