PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-1399Socket,socket Wrench

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5120-00-189-7917 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7917 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7917. Primary manufacturer part number: A-A-1399.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 0.750 INCHES MINIMUM IN
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7917, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 18 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
NSN5120-00-189-7917
Primary Part NumberA-A-1399
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Wrenching End Opening Depth0.750 INCHES MINIMUM IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size1.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Special Markings1-1/4 IN. IN
MaterialSTEEL OVERALL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Features ProvidedMANUAL TOOL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End Outside Diameter1.750 INCHES MAXIMUM IN
Wrenching End Outside Diameter1.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-109-259710238 INTERCHANGEABLE
Terminal Board
Cae Usa Inc.
5120-00-189-7913 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7914 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7924 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7927 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7932 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7933 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7934 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7935 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7946 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
A-A-1399 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
12-140 Satair A/s (DNK)
11677025-9 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
41W3029-10 General Stores Supply Office (USA)
AS954 Sae International Dba Sae International (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12-140 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
516059-3 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
B107.1 The American Society of Mechanical Engineers (USA)
AS954 Society of Automotive Engineers Inc (USA)
ST1240 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
11677025-9 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5120001897917 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
12-140 Armstrong Bros Tool Co (USA)
456720018502 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
12-140 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5940-00-109-2597INTERCHANGEABLE
TERMINAL BOARD
10238
5120-00-189-7913INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7914INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7924INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7927INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7932INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7933INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7934INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7935INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7946INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7985INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5870INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-189-7917?

NSN 5120-00-189-7917 is a Socket,socket Wrench, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-7917?

NSN 5120-00-189-7917 has 21 cross-referenced part numbers: A-A-1399 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 12-140 (Satair A/s), 11677025-9 (Fnss Savunma Sistemleri Anonim Sirketi), 41W3029-10 (General Stores Supply Office), AS954 (Sae International Dba Sae International) and 16 more.

What NSN replaces 5120-00-189-7917?

There are 12 known substitutes for 5120-00-189-7917: 5940-00-109-2597, 5120-00-189-7913, 5120-00-189-7914 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-1399?

Key specifications for A-A-1399: Wrenching End Opening Depth: 0.750 INCHES MINIMUM IN; Style Designator: INTERNAL-INTERNAL; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7917 still in active supply?

NSN 5120-00-189-7917 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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