PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18339Screw,machine

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5305-00-147-1965 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-147-1965 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-147-1965. Primary manufacturer part number: 18339.
Features
  • Screw,machine — FSC 5305
  • Head Style: FLAT CHAMFER
  • Thread Class: 3A A
  • Head Height: 0.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Length: 0.250 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 32
  • Screw Material: STEEL COMP 6150 OR STEEL COMP 4640
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-147-1965, 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 13 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: Active.

Technical Specifications
ParameterValue
NSN5305-00-147-1965
Primary Part Number18339
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Head StyleFLAT CHAMFER
Thread Class3A A
Head Height0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Thread Length0.250 INCHES NOMINAL IN
Thread Quantity Per Inch32
Screw MaterialSTEEL COMP 6150 OR STEEL COMP 4640
Thread DirectionRIGHT-HAND
Fastener Length0.344 INCHES NOMINAL IN
Internal Drive StyleSLOT
Screw Material Document and ClassificationAMS ASSN STD ALL MATERIAL RESPONSES
Thread Series DesignatorUNF
Head Diameter0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-00-320-07821396480 INTERCHANGEABLE
Printed Wiring Board
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-811-256918339 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
5133-00-838-5371 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
18339 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5998-00-320-0782INTERCHANGEABLE
PRINTED WIRING BOARD
1396480
5950-00-811-2569INTERCHANGEABLE
COIL,RADIO FREQUENCY
18339
5133-00-838-5371INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5305-00-147-1965?

NSN 5305-00-147-1965 is a Screw,machine, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-147-1965?

NSN 5305-00-147-1965 has 1 cross-referenced part number: 18339 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5305-00-147-1965?

There are 3 known substitutes for 5305-00-147-1965: 5998-00-320-0782, 5950-00-811-2569, 5133-00-838-5371. Verify interchangeability with system specifications before substitution.

What are the specifications of 18339?

Key specifications for 18339: Head Style: FLAT CHAMFER; Thread Class: 3A A; Head Height: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN. 13 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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