PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00944448000Socket,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-9279 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-9279 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-9279. Primary manufacturer part number: 00944448000.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 22.0 MILLIMETERS NOMINAL SINGLE END MM
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-398-9279, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-9279
Primary Part Number00944448000
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusACTIVE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Size22.0 MILLIMETERS NOMINAL SINGLE END MM
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3030-00-105-9216178536 INTERCHANGEABLE
Belt,v
Cummins Inc.
5962-00-109-688344448 INTERCHANGEABLE
Microcircuit,linear
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5935-00-283-3392 INTERCHANGEABLE
Connector,plug,electrical
7520-01-451-22687520-01-451-2268 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
00944448000 PRIMARY Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
9-44448 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
44448 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
3030-00-105-9216INTERCHANGEABLE
BELT,V
178536
5962-00-109-6883INTERCHANGEABLE
MICROCIRCUIT,LINEAR
44448
5935-00-283-3392INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7520-01-451-2268INTERCHANGEABLE
PENCIL,MECHANICAL
7520-01-451-2268

Frequently Asked Questions

What is NSN 5120-01-398-9279?

NSN 5120-01-398-9279 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: active.

What are the part numbers for NSN 5120-01-398-9279?

NSN 5120-01-398-9279 has 3 cross-referenced part numbers: 00944448000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 9-44448 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 44448 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).

What NSN replaces 5120-01-398-9279?

There are 4 known substitutes for 5120-01-398-9279: 3030-00-105-9216, 5962-00-109-6883, 5935-00-283-3392 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00944448000?

Key specifications for 00944448000: Special Features: DEEP LENGTH; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL. 9 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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