PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44055Socket,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-335-0776 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-0776 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-0776. Primary manufacturer part number: 44055.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Specification/standard Data: 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-335-0776, 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 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-0776
Primary Part Number44055
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6220-00-169-25679B7176 INTERCHANGEABLE
Lens,light
Caterpillar Inc Div Caterpillar Defense
2590-00-236-951244055 INTERCHANGEABLE
Cap,filler Opening
Center - Moeller Products Llc
5330-00-477-127444055 INTERCHANGEABLE
Gasket
Jenny Products, Inc
5950-00-648-546044055 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
3030-00-716-7894 INTERCHANGEABLE
Belt,positive Drive
2805-01-340-163044055 INTERCHANGEABLE
Lock,valve Spring Retainer
Bourns Inc
5315-01-516-6608 INTERCHANGEABLE
Pin,straight,threaded
Cross-Reference Index
Part NumberManufacturer
44055 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
ZHVY0147 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
4016 Wright Tool Company, Llc (USA)
3819314 Oshkosh Corp (USA)
00944055000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
3819314 Oshkosh Defense Llc (USA)
9-44055 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.1 The American Society of Mechanical Engineers (USA)
5120PL1654110 Jednolity Indeks Materialowy - Uniform Material Index (POL)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.110 The American Society of Mechanical Engineers (USA)
B107.110 CAT 1 TY1 General Services Administration Federal Supply Service (USA)
TW161A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
TW161 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
TW161A Snap-on Tools (australia) Pty Ltd (AUS)
Related Parts
6220-00-169-2567INTERCHANGEABLE
LENS,LIGHT
9B7176
2590-00-236-9512INTERCHANGEABLE
CAP,FILLER OPENING
44055
5330-00-477-1274INTERCHANGEABLE
GASKET
44055
5950-00-648-5460INTERCHANGEABLE
COIL,RADIO FREQUENCY
44055
3030-00-716-7894INTERCHANGEABLE
BELT,POSITIVE DRIVE
2805-01-340-1630INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
44055
5315-01-516-6608INTERCHANGEABLE
PIN,STRAIGHT,THREADED

Frequently Asked Questions

What is NSN 5120-01-335-0776?

NSN 5120-01-335-0776 is a Socket,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 5120-01-335-0776?

NSN 5120-01-335-0776 has 15 cross-referenced part numbers: 44055 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), ZHVY0147 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 4016 (Wright Tool Company, Llc), 3819314 (Oshkosh Corp), 00944055000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial) and 10 more.

What NSN replaces 5120-01-335-0776?

There are 7 known substitutes for 5120-01-335-0776: 6220-00-169-2567, 2590-00-236-9512, 5330-00-477-1274 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44055?

Key specifications for 44055: Nondefinitive Spec/std Data: 1 TYPE; Drive End Shape: SQUARE SINGLE END INTERNAL; Specification/standard Data: 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Style Designator: INTERNAL-INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-0776 still in active supply?

NSN 5120-01-335-0776 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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