PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90108-1Screw,externally Relieved Body

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5305-01-169-2064 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-169-2064 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-169-2064. Primary manufacturer part number: 90108-1.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
  • Thread Length: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Second Diameter From Head: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Externally Relieved Body Diameter Quantity: 2
  • Head Style: PAN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 304 or Steel Comp 304l or Steel Comp 305 or Steel Comp 308 or Steel Comp 309 or Steel Comp 309s or Steel Comp 310 or Steel Comp 310s or Steel Comp 314 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 or Steel Comp 384 or Steel Comp 385 Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-169-2064, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 19 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-169-2064
Primary Part Number90108-1
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Head Height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Thread Length0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
Nominal Thread Diameter0.164 INCHES IN
Second Diameter From Head0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Externally Relieved Body Diameter Quantity2
Head StylePAN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Class2A A
Surface TreatmentPASSIVATE OVERALL
Thread DirectionRIGHT-HAND
Internal Drive StyleCROSS RECESS TYPE 1
Thread Quantity Per Inch32
Distance From Largest Bearing Surface of Head to End of Second Diameter0.370 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
First Diameter From Head0.164 INCHES NOMINAL IN
Fastener Length0.790 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5820-00-226-303990108-1 INTERCHANGEABLE
Modulator,radio Transmitter
Continental Electronics Corp
5950-01-079-31799010-81 INTERCHANGEABLE
Transformer,power
Wascomat of America Div of Bermil Industries Corp
6660-01-120-0453 INTERCHANGEABLE
Module Special
6685-01-263-8211901-081 INTERCHANGEABLE
Probe,hygrometer
Panametrics Llc
5985-01-423-8901901081 INTERCHANGEABLE
Antenna
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
1680-01-562-263390-108-1 INTERCHANGEABLE
Guard,aircraft,mate
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
90108-1 United Technologies Corp Hamilton Sundstrand Corp (USA)
90108-1 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5820-00-226-3039INTERCHANGEABLE
MODULATOR,RADIO TRANSMITTER
90108-1
5950-01-079-3179INTERCHANGEABLE
TRANSFORMER,POWER
9010-81
6660-01-120-0453INTERCHANGEABLE
MODULE SPECIAL
6685-01-263-8211INTERCHANGEABLE
PROBE,HYGROMETER
901-081
5985-01-423-8901INTERCHANGEABLE
ANTENNA
901081
1680-01-562-2633INTERCHANGEABLE
GUARD,AIRCRAFT,MATE
90-108-1

Frequently Asked Questions

What is NSN 5305-01-169-2064?

NSN 5305-01-169-2064 is a Screw,externally Relieved Body, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-169-2064?

NSN 5305-01-169-2064 has 2 cross-referenced part numbers: 90108-1 (United Technologies Corp Hamilton Sundstrand Corp), 90108-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5305-01-169-2064?

There are 6 known substitutes for 5305-01-169-2064: 5820-00-226-3039, 5950-01-079-3179, 6660-01-120-0453 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90108-1?

Key specifications for 90108-1: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Thread Length: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.164 INCHES IN; Second Diameter From Head: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 19 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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