PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8156Socket,socket Wrench

Wright Tool Co · NSN 5120-01-425-8995 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-425-8995 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-425-8995. Primary manufacturer part number: 8156.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-425-8995, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wright Tool Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-425-8995
Primary Part Number8156
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWright Tool Co
StatusACTIVE
Drive Surface Size1.000 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Wrenching Surface Size1.750 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5930-00-259-7286 INTERCHANGEABLE
Switch,rotary
4730-00-328-48050031130-015 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
3120-00-353-758923688 INTERCHANGEABLE
Bushing,sleeve
Briggs and Stratton Corp
5315-00-511-72919918156 INTERCHANGEABLE
Key,woodruff
Alfa Laval Inc
1620-00-600-5508 INTERCHANGEABLE
Damper Assy,nose La
5360-00-601-40838156 INTERCHANGEABLE
Spring,helical,extension
Fwd Seagrave Holdings Lp
4730-00-771-5306B815-6 INTERCHANGEABLE
Insert,tube Fitting
Swagelok Co
5960-00-942-0932 INTERCHANGEABLE
Electron Tube
5950-01-081-66858156 INTERCHANGEABLE
Transformer,power
Electrac Space Electronics Laboratory Inc Vibration Instruments Co Div
5962-01-169-5126 INTERCHANGEABLE
Microcircuit,memory
Cross-Reference Index
Part NumberManufacturer
8156 PRIMARY Wright Tool Co (USA)
Related Parts
5930-00-259-7286INTERCHANGEABLE
SWITCH,ROTARY
4730-00-328-4805INTERCHANGEABLE
ELBOW,PIPE
0031130-015
3120-00-353-7589INTERCHANGEABLE
BUSHING,SLEEVE
23688
5315-00-511-7291INTERCHANGEABLE
KEY,WOODRUFF
9918156
1620-00-600-5508INTERCHANGEABLE
DAMPER ASSY,NOSE LA
5360-00-601-4083INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
8156
4730-00-771-5306INTERCHANGEABLE
INSERT,TUBE FITTING
B815-6
5960-00-942-0932INTERCHANGEABLE
ELECTRON TUBE
5950-01-081-6685INTERCHANGEABLE
TRANSFORMER,POWER
8156
5962-01-169-5126INTERCHANGEABLE
MICROCIRCUIT,MEMORY

Frequently Asked Questions

What is NSN 5120-01-425-8995?

NSN 5120-01-425-8995 is a Socket,socket Wrench, manufactured by Wright Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-425-8995?

NSN 5120-01-425-8995 has 1 cross-referenced part number: 8156 (Wright Tool Co).

What NSN replaces 5120-01-425-8995?

There are 10 known substitutes for 5120-01-425-8995: 5930-00-259-7286, 4730-00-328-4805, 3120-00-353-7589 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8156?

Key specifications for 8156: Drive Surface Size: 1.000 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Material: STEEL OVERALL. 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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