PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44107Screw,machine

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5305-00-146-9051 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-146-9051 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-146-9051. Primary manufacturer part number: 44107.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 0.438 INCHES NOMINAL IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Head Style: FILLISTER
  • Head Hole Configuration Style: ROUND
  • Thread Class: 3A A
  • Head Height: 0.172 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-146-9051, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 16 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-146-9051
Primary Part Number44107
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Nominal Thread Diameter0.250 INCHES IN
Fastener Length0.438 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Head StyleFILLISTER
Head Hole Configuration StyleROUND
Thread Class3A A
Head Height0.172 INCHES NOMINAL IN
Screw Surface TreatmentCADMIUM
Thread Length0.375 INCHES MINIMUM IN
Screw MaterialSTEEL COMP 8735
Thread Quantity Per Inch20
Hole Quantity2
Thread DirectionRIGHT-HAND
Head Diameter0.500 INCHES NOMINAL IN
Hole Diameter0.062 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5133-00-189-9282 INTERCHANGEABLE
Drill,twist
6625-01-218-78534410-7 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Bird Electronic Corporation Div Bird Electronic Corp
5995-01-286-318844107-230500 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Cross-Reference Index
Part NumberManufacturer
44107 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5133-00-189-9282INTERCHANGEABLE
DRILL,TWIST
6625-01-218-7853INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
4410-7
5995-01-286-3188INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
44107-230500

Frequently Asked Questions

What is NSN 5305-00-146-9051?

NSN 5305-00-146-9051 is a Screw,machine, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-146-9051?

NSN 5305-00-146-9051 has 1 cross-referenced part number: 44107 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5305-00-146-9051?

There are 3 known substitutes for 5305-00-146-9051: 5133-00-189-9282, 6625-01-218-7853, 5995-01-286-3188. Verify interchangeability with system specifications before substitution.

What are the specifications of 44107?

Key specifications for 44107: Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.438 INCHES NOMINAL IN; Internal Drive Style: CROSS RECESS TYPE 1; Head Style: FILLISTER. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-146-9051 still in active supply?

NSN 5305-00-146-9051 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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