PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17992Screw,machine

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5305-00-147-2671 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-147-2671 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-147-2671. Primary manufacturer part number: 17992.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Head Hole Configuration Style: ROUND
  • Screw Material: STEEL COMP 4640 OR STEEL COMP 6150
  • Screw Surface Treatment: CADMIUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-147-2671, 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 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-147-2671
Primary Part Number17992
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.250 INCHES NOMINAL IN
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Head Hole Configuration StyleROUND
Screw MaterialSTEEL COMP 4640 OR STEEL COMP 6150
Screw Surface TreatmentCADMIUM
Thread Quantity Per Inch32
Head StyleFILLISTER
Head Height0.156 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Thread Length0.219 INCHES MINIMUM IN
Thread Class3A A
Head Diameter0.312 INCHES NOMINAL IN
Hole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-239-559254-10123 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3040-01-314-441417992-2 INTERCHANGEABLE
Lever,manual Control
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
17992 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
17992 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3455-00-239-5592INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10123
3040-01-314-4414INTERCHANGEABLE
LEVER,MANUAL CONTROL
17992-2

Frequently Asked Questions

What is NSN 5305-00-147-2671?

NSN 5305-00-147-2671 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 5305-00-147-2671?

NSN 5305-00-147-2671 has 2 cross-referenced part numbers: 17992 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 17992 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-147-2671?

There are 2 known substitutes for 5305-00-147-2671: 3455-00-239-5592, 3040-01-314-4414. Verify interchangeability with system specifications before substitution.

What are the specifications of 17992?

Key specifications for 17992: Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.250 INCHES NOMINAL IN; Thread Series Designator: UNF; Thread Direction: RIGHT-HAND. 15 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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