PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4644Socket,socket Wrench

Wright Tool Co · NSN 5120-01-375-7761 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-375-7761 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-375-7761. Primary manufacturer part number: 4644.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 1.375 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-375-7761, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-375-7761
Primary Part Number4644
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size1.375 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-198-2454IR8517C INTERCHANGEABLE
Ring,bearing,inner
Rbc Bearings Incorporated Div West Trenton Division
5935-00-333-074370-1322 INTERCHANGEABLE
Connector,receptacle,electrical
Department of Defense Project Manager-Mobile Electric Power
5305-00-423-7912460A20-170 INTERCHANGEABLE
Screw,cap,hexagon Head
Roper Industries Inc Roper Pump Co Div
5355-00-814-36174644 INTERCHANGEABLE
Pointer,dial
Electro Scientific Industries Inc
5935-01-033-6551EC4644 INTERCHANGEABLE
Connector,receptacle,electrical
Caton Connector Corporation Dba Caton Connector Corp
5905-01-177-9480 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4730-01-208-89584644 INTERCHANGEABLE
Bushing,pipe
Elliott Machine Works Inc
4240-01-250-911046VX INTERCHANGEABLE
Cape,respirator
E. D. Bullard Company Dba Ed Bullard Co
5325-01-467-68021767-D PC42 INTERCHANGEABLE
Ring,retaining
Lawler Manufacturing Company, Inc.
6510-01-484-7864PRM25600 INTERCHANGEABLE
Bandage,adhesive
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
4644 Wright Tool Co (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
3110-00-198-2454INTERCHANGEABLE
RING,BEARING,INNER
IR8517C
5935-00-333-0743INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
70-1322
5305-00-423-7912INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
460A20-170
5355-00-814-3617INTERCHANGEABLE
POINTER,DIAL
4644
5935-01-033-6551INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
EC4644
5905-01-177-9480INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4730-01-208-8958INTERCHANGEABLE
BUSHING,PIPE
4644
4240-01-250-9110INTERCHANGEABLE
CAPE,RESPIRATOR
46VX
5325-01-467-6802INTERCHANGEABLE
RING,RETAINING
1767-D PC42
6510-01-484-7864INTERCHANGEABLE
BANDAGE,ADHESIVE
PRM25600

Frequently Asked Questions

What is NSN 5120-01-375-7761?

NSN 5120-01-375-7761 is a Socket,socket Wrench, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-375-7761?

NSN 5120-01-375-7761 has 4 cross-referenced part numbers: 4644 (Wright Tool Co), AS954 TY1CL1STB (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International).

What NSN replaces 5120-01-375-7761?

There are 10 known substitutes for 5120-01-375-7761: 3110-00-198-2454, 5935-00-333-0743, 5305-00-423-7912 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4644?

Key specifications for 4644: Overall Length: 3.047 INCHES NOMINAL IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Features Provided: MANUAL TOOL; Style Designator: INTERNAL-INTERNAL. 11 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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