PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

272SC284Bit,screwdriver

Techni-Tool, Inc. · NSN 5120-01-161-4542 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-161-4542 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-161-4542. Primary manufacturer part number: 272SC284.
Features
  • Bit,screwdriver — FSC 5120
  • Tip Type: MALE HEXAGONAL
  • Width Across Flats: 4.0 MILLIMETERS NOMINAL MM
  • Drive Shank Type: MALE STRAIGHT ROUND CENTER, FLATTED ON TWO SIDES
  • 8 verified cross-references
  • Primary manufacturer: Techni-Tool, Inc.
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Bit,screwdriver, cataloged under National Stock Number 5120-01-161-4542, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Techni-Tool, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-161-4542
Primary Part Number272SC284
Item NameBit,screwdriver
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTechni-Tool, Inc.
StatusACTIVE
Tip TypeMALE HEXAGONAL
Width Across Flats4.0 MILLIMETERS NOMINAL MM
Drive Shank TypeMALE STRAIGHT ROUND CENTER, FLATTED ON TWO SIDES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6135-00-112-8637BA305U INTERCHANGEABLE
Battery,nonrechargeable
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5120-00-184-86543719 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
3040-00-326-0695371-9B INTERCHANGEABLE
Extension Shaft
Elbitamerica, Inc.
5950-00-532-1145 INTERCHANGEABLE
Coil,radio Frequency
5330-01-229-81103719 INTERCHANGEABLE
Gasket
Mag Aerospace Industries, Llc Div Safran Cabins
5945-01-360-3097941027-01 INTERCHANGEABLE
Relay,reed
Rockwell Automation, Inc. Dba Rockwell Automation
4920-01-466-16523719 INTERCHANGEABLE
Tester,pitot and Static Systems
King Nutronics Corporation Dba King Nutronics
2590-01-626-18713719 INTERCHANGEABLE
Predetonation System,explosive H
Buffalo Turbine Defense Llc
Cross-Reference Index
Part NumberManufacturer
272SC284 Techni-Tool, Inc. (USA)
3B719 Jensen Tools, Inc. (USA)
9976MM Apex Tool Group (USA)
99-76 MM Cooper Tools Pty Ltd (AUS)
9976MM Apex Tool Group, Llc (USA)
TMT-99-76MM Time Motion Tools Inc (USA)
L3B719 Jensen Tools, Inc. (USA)
3-719 Jensen Tools, Inc. (USA)
Related Parts
6135-00-112-8637INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
BA305U
5120-00-184-8654INTERCHANGEABLE
WRENCH,OPEN END
3719
3040-00-326-0695INTERCHANGEABLE
EXTENSION SHAFT
371-9B
5950-00-532-1145INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-01-229-8110INTERCHANGEABLE
GASKET
3719
5945-01-360-3097INTERCHANGEABLE
RELAY,REED
941027-01
4920-01-466-1652INTERCHANGEABLE
TESTER,PITOT AND STATIC SYSTEMS
3719
2590-01-626-1871INTERCHANGEABLE
PREDETONATION SYSTEM,EXPLOSIVE H
3719

Frequently Asked Questions

What is NSN 5120-01-161-4542?

NSN 5120-01-161-4542 is a Bit,screwdriver, manufactured by Techni-Tool, Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-161-4542?

NSN 5120-01-161-4542 has 8 cross-referenced part numbers: 272SC284 (Techni-Tool, Inc.), 3B719 (Jensen Tools, Inc.), 9976MM (Apex Tool Group), 99-76 MM (Cooper Tools Pty Ltd), 9976MM (Apex Tool Group, Llc) and 3 more.

What NSN replaces 5120-01-161-4542?

There are 8 known substitutes for 5120-01-161-4542: 6135-00-112-8637, 5120-00-184-8654, 3040-00-326-0695 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 272SC284?

Key specifications for 272SC284: Tip Type: MALE HEXAGONAL; End Item Identification: COOPER/XCELITE SERIES 99 HANDLES; Width Across Flats: 4.0 MILLIMETERS NOMINAL MM; Overall Length: 5.750 INCHES NOMINAL IN. 5 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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