PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20506-7Screw,machine

Honeywell International, Inc Div Aerospace-Tucson · NSN 5305-00-483-9966 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-483-9966 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-483-9966. Primary manufacturer part number: 20506-7.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Length: 0.250 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-483-9966, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, 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
NSN5305-00-483-9966
Primary Part Number20506-7
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusACTIVE
Head Height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Thread Class2A A
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.164 INCHES IN
Thread Length0.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Screw MaterialCOPPER ALLOY
Thread Quantity Per Inch32
Screw Surface TreatmentCADMIUM
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Head StyleFILLISTER
Internal Drive StyleCROSS RECESS TYPE 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-417-388203-09-1093 INTERCHANGEABLE
Connector Body,plug,electrical
Molex, Llc
4730-01-546-4351205067 INTERCHANGEABLE
Nipple,pipe
Hamilton Jet, Inc.
6635-01-670-2399205-067 INTERCHANGEABLE
Strain Gage
Ford Motor Co General Parts Division
Cross-Reference Index
Part NumberManufacturer
20506-7 Skurka Aerospace Inc (USA)
20506-7 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
20506-7 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
20506-7 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
20506-7 Aircraft Parts Corporation (USA)
Related Parts
5935-00-417-3882INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
03-09-1093
4730-01-546-4351INTERCHANGEABLE
NIPPLE,PIPE
205067
6635-01-670-2399INTERCHANGEABLE
STRAIN GAGE
205-067

Frequently Asked Questions

What is NSN 5305-00-483-9966?

NSN 5305-00-483-9966 is a Screw,machine, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-483-9966?

NSN 5305-00-483-9966 has 5 cross-referenced part numbers: 20506-7 (Skurka Aerospace Inc), 20506-7 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 20506-7 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 20506-7 (Honeywell International, Inc Div Aerospace-Tucson), 20506-7 (Aircraft Parts Corporation).

What NSN replaces 5305-00-483-9966?

There are 3 known substitutes for 5305-00-483-9966: 5935-00-417-3882, 4730-01-546-4351, 6635-01-670-2399. Verify interchangeability with system specifications before substitution.

What are the specifications of 20506-7?

Key specifications for 20506-7: Head Height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Fastener Length: 0.250 INCHES NOMINAL 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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