PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955 TY1CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-430-7778 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-7778 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-7778. Primary manufacturer part number: AS955 TY1CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-430-7778, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-430-7778
Primary Part NumberAS955 TY1CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size14.0 MILLIMETERS NOMINAL SINGLE END MM
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-327-9327984711-1B INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
6665-00-675-9402 INTERCHANGEABLE
Handle
5940-00-683-47309139701 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
5330-00-684-26211807383PC8 INTERCHANGEABLE
Gasket
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-914-645011-314 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
7930-01-130-3342064247 INTERCHANGEABLE
Rinse Additive,dishwashing
U S Chemical Corp
2590-01-165-493811314 INTERCHANGEABLE
Bracket,mounting
DP Manufacturing Inc.
7045-01-455-2291 INTERCHANGEABLE
Disk,flexible
4730-01-459-0380411314 INTERCHANGEABLE
Elbow,pipe
Econoline Mfg Inc
Cross-Reference Index
Part NumberManufacturer
AS955 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS955 Sae International Dba Sae International (USA)
AS955 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
11314 Apex Tool Group, Llc Dba Nicholson (USA)
11314 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5950-00-327-9327INTERCHANGEABLE
REACTOR
984711-1B
6665-00-675-9402INTERCHANGEABLE
HANDLE
5940-00-683-4730INTERCHANGEABLE
TERMINAL,LUG
9139701
5330-00-684-2621INTERCHANGEABLE
GASKET
1807383PC8
5930-00-914-6450INTERCHANGEABLE
SWITCH,SENSITIVE
11-314
7930-01-130-3342INTERCHANGEABLE
RINSE ADDITIVE,DISHWASHING
064247
2590-01-165-4938INTERCHANGEABLE
BRACKET,MOUNTING
11314
7045-01-455-2291INTERCHANGEABLE
DISK,FLEXIBLE
4730-01-459-0380INTERCHANGEABLE
ELBOW,PIPE
411314

Frequently Asked Questions

What is NSN 5120-01-430-7778?

NSN 5120-01-430-7778 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-430-7778?

NSN 5120-01-430-7778 has 7 cross-referenced part numbers: AS955 TY1CL1STA (General Services Administration Federal Supply Service), AS955 (Sae International Dba Sae International), AS955 (Society of Automotive Engineers Inc), AS954 TY1CL1STA (General Services Administration Federal Supply Service), 11314 (Apex Tool Group, Llc Dba Nicholson) and 2 more.

What NSN replaces 5120-01-430-7778?

There are 9 known substitutes for 5120-01-430-7778: 5950-00-327-9327, 6665-00-675-9402, 5940-00-683-4730 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955 TY1CL1STA?

Key specifications for AS955 TY1CL1STA: Drive End Shape: SQUARE SINGLE END INTERNAL; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: MANUAL TOOL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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