PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40183Adapter-Extension,socket Wrench

S K Hand Tool Corp · NSN 5120-01-651-4493 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-651-4493 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-651-4493. Primary manufacturer part number: 40183.
Features
  • Adapter-Extension,socket Wrench — FSC 5120
  • Style Designator: STRAIGHT
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 5 verified cross-references
  • Primary manufacturer: S K Hand Tool Corp
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Adapter-Extension,socket Wrench, cataloged under National Stock Number 5120-01-651-4493, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-651-4493
Primary Part Number40183
Item NameAdapter-Extension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
Style DesignatorSTRAIGHT
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5999-00-035-788240-183 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5930-00-081-548310-60121-1 INTERCHANGEABLE
Switch,pressure
The Boeing Company Div Defense
5977-00-435-011440183 INTERCHANGEABLE
Holder,electrical Contact Brush
Electro-Tec Corp Dba Moog Inc., Components Group
5330-00-599-5271 INTERCHANGEABLE
Seal,plain Encased
5360-00-837-2253 INTERCHANGEABLE
Spring,valve
5330-01-093-6976 INTERCHANGEABLE
Packing Assembly
5975-01-097-4705 INTERCHANGEABLE
Panel,blank
6680-01-121-014640183 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5950-01-253-0118654249-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5330-01-254-713040183 INTERCHANGEABLE
Gasket
Reidville Hydraulics & Mfg Inc
Cross-Reference Index
Part NumberManufacturer
40183 PRIMARY S K Hand Tool Corp (USA)
SKT-40183 Kipper Tool Company Dba Kipper Management Inc (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
AS4283 Sae International Dba Sae International (USA)
AS4283 Society of Automotive Engineers Inc (USA)
Related Parts
5999-00-035-7882INTERCHANGEABLE
CONTACT,ELECTRICAL
40-183
5930-00-081-5483INTERCHANGEABLE
SWITCH,PRESSURE
10-60121-1
5977-00-435-0114INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
40183
5330-00-599-5271INTERCHANGEABLE
SEAL,PLAIN ENCASED
5360-00-837-2253INTERCHANGEABLE
SPRING,VALVE
5330-01-093-6976INTERCHANGEABLE
PACKING ASSEMBLY
5975-01-097-4705INTERCHANGEABLE
PANEL,BLANK
6680-01-121-0146INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40183
5950-01-253-0118INTERCHANGEABLE
TRANSFORMER,POWER
654249-1
5330-01-254-7130INTERCHANGEABLE
GASKET
40183
2640-01-563-2367INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
WH-330-J-691-4 1/2

Frequently Asked Questions

What is NSN 5120-01-651-4493?

NSN 5120-01-651-4493 is a Adapter-Extension,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-651-4493?

NSN 5120-01-651-4493 has 5 cross-referenced part numbers: 40183 (S K Hand Tool Corp), SKT-40183 (Kipper Tool Company Dba Kipper Management Inc), AS4283 TY2CL2 (General Services Administration Federal Supply Service), AS4283 (Sae International Dba Sae International), AS4283 (Society of Automotive Engineers Inc).

What NSN replaces 5120-01-651-4493?

There are 11 known substitutes for 5120-01-651-4493: 5999-00-035-7882, 5930-00-081-5483, 5977-00-435-0114 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40183?

Key specifications for 40183: Overall Length: 3.00 INCHES NOMINAL IN; Style Designator: STRAIGHT; Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS; Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 5 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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