PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18171Screw,drive

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-439-9768 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-439-9768 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-439-9768. Primary manufacturer part number: 18171.
Features
  • Screw,drive — FSC 5305
  • Surface Treatment: CADMIUM OVERALL
  • Material: STEEL OVERALL
  • Pilot Diameter: 0.086 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.098 INCHES IN
  • Head Style: ROUND
  • Fastener Length: 0.375 INCHES NOMINAL IN
  • Head Height: 0.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,drive, cataloged under National Stock Number 5305-00-439-9768, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-439-9768
Primary Part Number18171
Item NameScrew,drive
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL OVERALL
Pilot Diameter0.086 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.098 INCHES IN
Head StyleROUND
Fastener Length0.375 INCHES NOMINAL IN
Head Height0.062 INCHES NOMINAL IN
Head Diameter0.188 INCHES NOMINAL IN
Pilot Length0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-062-66191817-1 INTERCHANGEABLE
Resistor,fixed,wire Wound
General Microwave Corporation Div Kratos Microwave Electronics
5977-00-083-90788301347 INTERCHANGEABLE
Holder,electrical Contact Brush
Meggitt Safety Systems Inc
5935-00-581-783833-1817-1 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
5950-00-583-449718171 INTERCHANGEABLE
Transformer,radio Frequency
Textron Aviation Inc
2530-00-769-7871A1457 INTERCHANGEABLE
Guard,brake Hose
Am General Llc
5340-01-217-903118171 INTERCHANGEABLE
Cover,access
Westerbeke Corporation
5340-01-244-506318171 INTERCHANGEABLE
Cap,protective,dust and Moisture
Cadillac Gage Textron Inc.
5930-01-303-5962 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
18171 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5905-00-062-6619INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
1817-1
5977-00-083-9078INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
8301347
5935-00-581-7838INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
33-1817-1
5950-00-583-4497INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
18171
2530-00-769-7871INTERCHANGEABLE
GUARD,BRAKE HOSE
A1457
5340-01-217-9031INTERCHANGEABLE
COVER,ACCESS
18171
5340-01-244-5063INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
18171
5930-01-303-5962INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5305-00-439-9768?

NSN 5305-00-439-9768 is a Screw,drive, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-439-9768?

NSN 5305-00-439-9768 has 1 cross-referenced part number: 18171 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-439-9768?

There are 8 known substitutes for 5305-00-439-9768: 5905-00-062-6619, 5977-00-083-9078, 5935-00-581-7838 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18171?

Key specifications for 18171: Surface Treatment: CADMIUM OVERALL; Material: STEEL OVERALL; Pilot Diameter: 0.086 INCHES NOMINAL IN; Nonmachine Nominal Thread Diameter: 0.098 INCHES IN. 9 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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