PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44133Extension,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-335-1049 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1049 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1049. Primary manufacturer part number: 44133.
Features
  • Extension,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Style Designator: RIGID
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Drive End Shape: SQUARE SECOND END EXTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-335-1049, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-1049
Primary Part Number44133
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusCANCELLED
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Style DesignatorRIGID
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive End ShapeSQUARE FIRST END INTERNAL
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-150-368544133 INTERCHANGEABLE
Nut,plain,round
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5133-00-262-2175 INTERCHANGEABLE
Drill,twist
5950-00-303-54008018112 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
5950-00-648-3441603995 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5915-01-294-571910109668-101 INTERCHANGEABLE
Filter,radio Frequency Interfere
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5120-01-335-1050 INTERCHANGEABLE
Extension,socket Wrench
5120-01-335-1052 INTERCHANGEABLE
Extension,socket Wrench
5120-01-335-1074 INTERCHANGEABLE
Extension,socket Wrench
6625-01-357-919444133 INTERCHANGEABLE
Tip,test Prod
Telephonics Corp
5120-01-428-4900 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
44133 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.10 The American Society of Mechanical Engineers (USA)
ZLW0033 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
HTMODARG1075P Anixter Ltd (GBR)
9-44133 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
ZHVY0161 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS4283 Society of Automotive Engineers Inc (USA)
AS4283 Sae International Dba Sae International (USA)
00944133000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
SX3 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
SXK3 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
73-1203 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
B107.10 TY2CL2ST1 General Services Administration Federal Supply Service (USA)
73-1203 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5310-00-150-3685INTERCHANGEABLE
NUT,PLAIN,ROUND
44133
5133-00-262-2175INTERCHANGEABLE
DRILL,TWIST
5950-00-303-5400INTERCHANGEABLE
REACTOR
8018112
5950-00-648-3441INTERCHANGEABLE
TRANSFORMER,POWER
603995
5915-01-294-5719INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
10109668-101
5120-01-335-1050INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-335-1052INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-335-1074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
6625-01-357-9194INTERCHANGEABLE
TIP,TEST PROD
44133
5120-01-428-4900INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-01-652-0402INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-335-1049?

NSN 5120-01-335-1049 is a Extension,socket Wrench, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-1049?

NSN 5120-01-335-1049 has 15 cross-referenced part numbers: 44133 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.10 (The American Society of Mechanical Engineers), ZLW0033 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), HTMODARG1075P (Anixter Ltd), 9-44133 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial) and 10 more.

What NSN replaces 5120-01-335-1049?

There are 11 known substitutes for 5120-01-335-1049: 5310-00-150-3685, 5133-00-262-2175, 5950-00-303-5400 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44133?

Key specifications for 44133: Overall Length: 3.500 INCHES NOMINAL IN; Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Material: STEEL OVERALL; Style Designator: RIGID. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-1049 still in active supply?

NSN 5120-01-335-1049 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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