PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00944435000Socket,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-7871 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7871 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7871. Primary manufacturer part number: 00944435000.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 18.0 MILLIMETERS NOMINAL SINGLE END MM
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-398-7871, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-7871
Primary Part Number00944435000
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size18.0 MILLIMETERS NOMINAL SINGLE END MM
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-015-3868 INTERCHANGEABLE
Transformer,pulse
5305-01-121-333644435 INTERCHANGEABLE
Screw,machine
L3 Technologies, Inc. Div L3 Keo
7520-01-445-72237520-01-445-7223 INTERCHANGEABLE
Pen,ball-Point
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
9-44435 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
44435 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00944435000 PRIMARY Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
5950-01-015-3868INTERCHANGEABLE
TRANSFORMER,PULSE
5305-01-121-3336INTERCHANGEABLE
SCREW,MACHINE
44435
7520-01-445-7223INTERCHANGEABLE
PEN,BALL-POINT
7520-01-445-7223

Frequently Asked Questions

What is NSN 5120-01-398-7871?

NSN 5120-01-398-7871 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 5120-01-398-7871?

NSN 5120-01-398-7871 has 3 cross-referenced part numbers: 9-44435 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 44435 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00944435000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).

What NSN replaces 5120-01-398-7871?

There are 3 known substitutes for 5120-01-398-7871: 5950-01-015-3868, 5305-01-121-3336, 7520-01-445-7223. Verify interchangeability with system specifications before substitution.

What are the specifications of 00944435000?

Key specifications for 00944435000: Material: STEEL OVERALL; Surface Treatment: CHROMIUM OVERALL; Special Features: DEEP LENGTH; Drive End Shape: SQUARE SINGLE END INTERNAL. 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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