PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2549Bit,screwdriver

Sioux Tools Inc · NSN 5120-01-406-0550 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-406-0550 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-406-0550. Primary manufacturer part number: 2549.
Features
  • Bit,screwdriver — FSC 5120
  • Shank Width Across Wrench Flats: 0.250 INCHES NOMINAL IN
  • Tip Type: PHILLIPS CROSS
  • Drive Shank Type: HEXAGON
  • Tip Size Designation: 3
  • 2 verified cross-references
  • Primary manufacturer: Sioux Tools Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Bit,screwdriver, cataloged under National Stock Number 5120-01-406-0550, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sioux Tools Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-406-0550
Primary Part Number2549
Item NameBit,screwdriver
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSioux Tools Inc
StatusCANCELLED
Shank Width Across Wrench Flats0.250 INCHES NOMINAL IN
Tip TypePHILLIPS CROSS
Drive Shank TypeHEXAGON
Tip Size Designation3
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2520-00-213-04883303016 INTERCHANGEABLE
Clutch Assembly,friction
Hatch & Kirk, Inc.
5325-00-213-9035 INTERCHANGEABLE
Ring,retaining
2940-00-241-847342549 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5360-00-316-34872 54-9 INTERCHANGEABLE
Spring,helical,extension
Ward Leonard Ct Llc
2540-00-378-85442549 INTERCHANGEABLE
Pad,pedal
Strong Forge & Fabrication, Llc
5133-00-596-7825 INTERCHANGEABLE
Drill,twist
5315-00-597-34882549 INTERCHANGEABLE
Pin,straight,headless
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3820-01-068-4078254-9 INTERCHANGEABLE
Auger,earth,skid Mounted
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
6720-01-070-3961 INTERCHANGEABLE
Camera,still Picture
6545-01-141-9480SC 6545-8-CL-V12 INTERCHANGEABLE
Ves Det 50 Patient Sml-1999
Department of the Army
Cross-Reference Index
Part NumberManufacturer
2549 PRIMARY Sioux Tools Inc (USA)
250 PB3 PRIMARY Qualtool Inc (USA)
Related Parts
2520-00-213-0488INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
3303016
5325-00-213-9035INTERCHANGEABLE
RING,RETAINING
2940-00-241-8473INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42549
5360-00-316-3487INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2 54-9
2540-00-378-8544INTERCHANGEABLE
PAD,PEDAL
2549
5133-00-596-7825INTERCHANGEABLE
DRILL,TWIST
5315-00-597-3488INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2549
3820-01-068-4078INTERCHANGEABLE
AUGER,EARTH,SKID MOUNTED
254-9
6720-01-070-3961INTERCHANGEABLE
CAMERA,STILL PICTURE
6545-01-141-9480INTERCHANGEABLE
VES DET 50 PATIENT SML-1999
SC 6545-8-CL-V12
4820-01-196-1275INTERCHANGEABLE
PELLET,LOCKING,VALVE
254-9
5305-01-624-1556INTERCHANGEABLE
SETSCREW
2549

Frequently Asked Questions

What is NSN 5120-01-406-0550?

NSN 5120-01-406-0550 is a Bit,screwdriver, manufactured by Sioux Tools Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-406-0550?

NSN 5120-01-406-0550 has 2 cross-referenced part numbers: 2549 (Sioux Tools Inc), 250 PB3 (Qualtool Inc).

What NSN replaces 5120-01-406-0550?

There are 12 known substitutes for 5120-01-406-0550: 2520-00-213-0488, 5325-00-213-9035, 2940-00-241-8473 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2549?

Key specifications for 2549: Overall Length: 1.000 INCHES MAXIMUM IN; Shank Width Across Wrench Flats: 0.250 INCHES NOMINAL IN; Tip Type: PHILLIPS CROSS; Drive Shank Type: HEXAGON. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-406-0550 still in active supply?

NSN 5120-01-406-0550 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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