PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-439-8271Bit,screwdriver

General Services Administration Federal Supply Service · NSN 5120-00-439-8271 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Bit,screwdriver — FSC 5120
  • Features Provided: MANUAL TOOL
  • Tip Type: MALE HEXAGONAL
  • Shank Width Across Wrench Flats: 0.250 INCHES NOMINAL IN
  • Width Across Flats: 0.156 INCHES NOMINAL IN
  • Drive Shank Type: HEXAGON
  • 7 verified cross-references
  • Primary manufacturer: General Services Administration Federal Supply Service
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Bit,screwdriver, cataloged under National Stock Number 5120-00-439-8271, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-439-8271
Primary Part Number5120-00-439-8271
Item NameBit,screwdriver
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Features ProvidedMANUAL TOOL
Tip TypeMALE HEXAGONAL
Shank Width Across Wrench Flats0.250 INCHES NOMINAL IN
Width Across Flats0.156 INCHES NOMINAL IN
Drive Shank TypeHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5120-00-439-8266CMS-4 INTERCHANGEABLE
Bit,screwdriver
Chapman Manufacturing Company the Dba Chapman Manufacturing Co
5120-00-439-82675120-00-439-8267 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-82695120-00-439-8269 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-82705120-00-439-8270 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-82725120-00-439-8272 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-82745120-00-439-8274 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-82755120-00-439-8275 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5120-00-439-8285 INTERCHANGEABLE
Bit,screwdriver
5120-00-626-2863CMS-14 INTERCHANGEABLE
Bit,screwdriver
Chapman Manufacturing Company the Dba Chapman Manufacturing Co
5120-01-018-8970CMS-7 INTERCHANGEABLE
Bit,screwdriver
Chapman Manufacturing Company the Dba Chapman Manufacturing Co
Cross-Reference Index
Part NumberManufacturer
CMS-10 Chapman Manufacturing Company the Dba Chapman Manufacturing Co (USA)
GGG-S-1408 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9011021 Us Army Aviation and Missile Command (USA)
5120-00-439-8271 PRIMARY General Services Administration Federal Supply Service (USA)
XL10 Apex Tool Group, Llc (USA)
GGG-S-1408 TY2CL4 General Services Administration Federal Supply Service (USA)
XL10 Apex Tool Group (USA)
Related Parts
5120-00-439-8266INTERCHANGEABLE
BIT,SCREWDRIVER
CMS-4
5120-00-439-8267INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8267
5120-00-439-8269INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8269
5120-00-439-8270INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8270
5120-00-439-8272INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8272
5120-00-439-8274INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8274
5120-00-439-8275INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-439-8275
5120-00-439-8285INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-626-2863INTERCHANGEABLE
BIT,SCREWDRIVER
CMS-14
5120-01-018-8970INTERCHANGEABLE
BIT,SCREWDRIVER
CMS-7
6730-01-179-4589INTERCHANGEABLE
VIEWER,STILL PICTURE
MODEL 1000 PORTABLE

Frequently Asked Questions

What is NSN 5120-00-439-8271?

NSN 5120-00-439-8271 is a Bit,screwdriver, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-439-8271?

NSN 5120-00-439-8271 has 7 cross-referenced part numbers: CMS-10 (Chapman Manufacturing Company the Dba Chapman Manufacturing Co), GGG-S-1408 (Federal Specifications Promulgated by General Services Administration Washington DC), 9011021 (Us Army Aviation and Missile Command), 5120-00-439-8271 (General Services Administration Federal Supply Service), XL10 (Apex Tool Group, Llc) and 2 more.

What NSN replaces 5120-00-439-8271?

There are 11 known substitutes for 5120-00-439-8271: 5120-00-439-8266, 5120-00-439-8267, 5120-00-439-8269 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-439-8271?

Key specifications for 5120-00-439-8271: Overall Length: 1.125 INCHES NOMINAL IN; Special Features: SERRATED SPINNER AT THE END OF THE SHANK; Features Provided: MANUAL TOOL; Tip Type: MALE HEXAGONAL. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-439-8271 still in active supply?

NSN 5120-00-439-8271 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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