PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-12MMSocket,socket Wrench

Wright Tool Co · NSN 5120-00-287-4151 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-287-4151 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-287-4151. Primary manufacturer part number: 41-12MM.
Features
  • Socket,socket Wrench — FSC 5120
  • Departure From Cited Document: DESIGN D, 4 CAVITIES
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 12.0 MILLIMETERS NOMINAL SINGLE END MM
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-287-4151, 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 28 commercial cross-references from 20 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
NSN5120-00-287-4151
Primary Part Number41-12MM
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusCANCELLED
Departure From Cited DocumentDESIGN D, 4 CAVITIES
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size12.0 MILLIMETERS NOMINAL SINGLE END MM
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-078-672740312 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div Communication Systems-East
3040-00-099-006340312 INTERCHANGEABLE
Housing,mechanical Drive
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-412-990040312 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5325-00-598-1178271624PC3 INTERCHANGEABLE
Ring,retaining
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-618-7617 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4820-00-834-0782807-47CID-882003546 INTERCHANGEABLE
Valve,angle
Sfc Valve Corporation
2805-00-927-32905704436 INTERCHANGEABLE
Bearing Set Connect
U S Army Tank Automotive Command Amsta-Im-Mm
4010-01-100-2492 INTERCHANGEABLE
Wire Rope Assembly,single Leg
5133-01-107-3742 INTERCHANGEABLE
Drill,twist
4310-01-213-4504839-112-043 INTERCHANGEABLE
Cylinder,compressor
Curtiss-Wright Electro-Mechanical Corp Div Fleet Solutions
Cross-Reference Index
Part NumberManufacturer
00944233000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
40312 S K Hand Tool Corp (USA)
5412M The Stanley Works Dba Stanley Proto (USA)
39-112 Armstrong Bros Tool Co (USA)
B107.5M CL1STA General Services Administration Federal Supply Service (USA)
456720018700 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
B107.5M The American Society of Mechanical Engineers (USA)
SWM121 Sna Germany Gmbh (DEU)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
80747 Apex Tool Group, Llc Dba Nicholson (USA)
41-12MM PRIMARY Wright Tool Co (USA)
AS954 Sae International Dba Sae International (USA)
STM-1212 Williams J H Industrial Products Inc (USA)
SWM121A Vanas (BEL)
39-112 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
SWM121 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.5M TY1CL1 General Services Administration Federal Supply Service (USA)
39-112 Apex Tool Group, Llc Dba Nicholson (USA)
AS955 Society of Automotive Engineers Inc (USA)
44233 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
5961-00-078-6727INTERCHANGEABLE
TRANSISTOR
40312
3040-00-099-0063INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
40312
5330-00-412-9900INTERCHANGEABLE
GASKET
40312
5325-00-598-1178INTERCHANGEABLE
RING,RETAINING
271624PC3
4730-00-618-7617INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4820-00-834-0782INTERCHANGEABLE
VALVE,ANGLE
807-47CID-882003546
2805-00-927-3290INTERCHANGEABLE
BEARING SET CONNECT
5704436
4010-01-100-2492INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
5133-01-107-3742INTERCHANGEABLE
DRILL,TWIST
4310-01-213-4504INTERCHANGEABLE
CYLINDER,COMPRESSOR
839-112-043
5930-01-249-8194INTERCHANGEABLE
SWITCH,PRESSURE
5998-01-382-9634INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5120-00-287-4151?

NSN 5120-00-287-4151 is a Socket,socket Wrench, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-287-4151?

NSN 5120-00-287-4151 has 28 cross-referenced part numbers: 00944233000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 40312 (S K Hand Tool Corp), 5412M (The Stanley Works Dba Stanley Proto), 39-112 (Armstrong Bros Tool Co), B107.5M CL1STA (General Services Administration Federal Supply Service) and 23 more.

What NSN replaces 5120-00-287-4151?

There are 12 known substitutes for 5120-00-287-4151: 5961-00-078-6727, 3040-00-099-0063, 5330-00-412-9900 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-12MM?

Key specifications for 41-12MM: Overall Length: 45.25 MILLIMETERS MAXIMUM MM; Departure From Cited Document: DESIGN D, 4 CAVITIES; Drive End Shape: SQUARE SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-287-4151 still in active supply?

NSN 5120-00-287-4151 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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