PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00904271000Adapter,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-7903 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7903 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7903. Primary manufacturer part number: 00904271000.
Features
  • Adapter,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Outside Diameter: 1.125 INCHES MAXIMUM IN
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL FIRST END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.750 INCHES NOMINAL SECOND END IN
  • Style Designator: EXTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-01-398-7903, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-7903
Primary Part Number00904271000
Item NameAdapter,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusACTIVE
MaterialSTEEL OVERALL
Outside Diameter1.125 INCHES MAXIMUM IN
Drive End ShapeSQUARE SECOND END EXTERNAL
Drive Surface Size0.500 INCHES NOMINAL FIRST END IN
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.750 INCHES NOMINAL SECOND END IN
Style DesignatorEXTERNAL-INTERNAL
Drive End ShapeSQUARE FIRST END INTERNAL
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5999-00-122-643794271-1 INTERCHANGEABLE
Contact Assembly,electrical
L3 Technologies, Inc. Div L3harris Edo Western Corporation
3120-00-288-2768812410 INTERCHANGEABLE
Bearing,sleeve
Borgwarner Pds (anderson), L.l.c.
3040-00-376-0386TC-325 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
Wisconsin Motors, Llc
5950-00-676-74132557819 INTERCHANGEABLE
Transformer,audio Frequency
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-836-315710043862 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
1680-01-154-89354271-03 INTERCHANGEABLE
Control Module,fire Detector
Meggitt Safety Systems Inc
5930-01-171-4943 INTERCHANGEABLE
Switch,toggle
6220-01-268-04314271 INTERCHANGEABLE
Light Assembly,clearance Marker
Southern Ambulance Builders Co Inc Dba Sabc Inc
4130-01-698-65184271 INTERCHANGEABLE
Compressor,refrigeration
Sanden International/usa/inc
Cross-Reference Index
Part NumberManufacturer
9-4271 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
4271 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00904271000 PRIMARY Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
5999-00-122-6437INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
94271-1
3120-00-288-2768INTERCHANGEABLE
BEARING,SLEEVE
812410
3040-00-376-0386INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
TC-325
5950-00-676-7413INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2557819
5950-00-836-3157INTERCHANGEABLE
REACTOR
10043862
1680-01-154-8935INTERCHANGEABLE
CONTROL MODULE,FIRE DETECTOR
4271-03
5930-01-171-4943INTERCHANGEABLE
SWITCH,TOGGLE
6220-01-268-0431INTERCHANGEABLE
LIGHT ASSEMBLY,CLEARANCE MARKER
4271
4130-01-698-6518INTERCHANGEABLE
COMPRESSOR,REFRIGERATION
4271

Frequently Asked Questions

What is NSN 5120-01-398-7903?

NSN 5120-01-398-7903 is a Adapter,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 5120-01-398-7903?

NSN 5120-01-398-7903 has 3 cross-referenced part numbers: 9-4271 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 4271 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00904271000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).

What NSN replaces 5120-01-398-7903?

There are 9 known substitutes for 5120-01-398-7903: 5999-00-122-6437, 3120-00-288-2768, 3040-00-376-0386 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00904271000?

Key specifications for 00904271000: Material: STEEL OVERALL; Overall Length: 1.500 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN; Outside Diameter: 1.125 INCHES MAXIMUM IN; Drive End Shape: SQUARE SECOND END EXTERNAL. 10 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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