PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-099Screw,machine

Howmet Global Fastening Systems Inc · NSN 5305-01-687-2785 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-687-2785 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-687-2785. Primary manufacturer part number: 20-099.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.1900 INCHES IN
  • Internal Drive Style: OFFSET CRUCIFORM (TORQUE SET)
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3A A
  • Countersink Angle: 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
  • Thread Quantity Per Inch: 32
  • Screw Material: TITANIUM ALLOY
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-687-2785, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-687-2785
Primary Part Number20-099
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Nominal Thread Diameter0.1900 INCHES IN
Internal Drive StyleOFFSET CRUCIFORM (TORQUE SET)
Thread DirectionRIGHT-HAND
Thread Class3A A
Countersink Angle129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM
Thread Quantity Per Inch32
Screw MaterialTITANIUM ALLOY
Head Height0.047 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
Width Across Flats0.215 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Thread Length0.363 INCHES NOMINAL IN
Screw Material Document and ClassificationAMS4967 MIL STD SINGLE MATERIAL RESPONSE
Fastener Length0.625 INCHES NOMINAL IN
Head Diameter0.3206 INCHES MINIMUM AND 0.4045 INCHES MAXIMUM IN
Head StyleFILLISTER COUNTERSUNK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6615-00-211-257114100-1A INTERCHANGEABLE
Gyroscope,stabiliza
Honeywell Intl Inc Defense Avionics Systems
5330-00-599-445317-13-5 INTERCHANGEABLE
Gasket
Trailmobile Inc Sub of the Pullman Co
2520-00-766-7607136512HB INTERCHANGEABLE
Parts Kit,universal Joint
Navistar Intl Corp Truck Br Ohio Plant
4820-01-171-874820099F51SS INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-179-288220099C01S0035 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
1680-01-191-519320099 INTERCHANGEABLE
Weapon Program Unit
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4330-01-285-3683 INTERCHANGEABLE
Filter Element,fluid
4320-01-330-601920099 INTERCHANGEABLE
Plate,pressure,rotary Pump
Sundstrand Corp
5970-01-486-798220099 INTERCHANGEABLE
Insulator,plate
Charles Reed Knight Jr Dba Knight's Armament Company
5360-01-643-069620099 INTERCHANGEABLE
Spring,helical,compression
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
20-099 PRIMARY Howmet Global Fastening Systems Inc (USA)
PBF1690 SERIES PRIMARY Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
AIC 1705 SERIES PRIMARY Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
20-099-3-10 Bell Textron Inc (USA)
Related Parts
6615-00-211-2571INTERCHANGEABLE
GYROSCOPE,STABILIZA
14100-1A
5330-00-599-4453INTERCHANGEABLE
GASKET
17-13-5
2520-00-766-7607INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
136512HB
4820-01-171-8748INTERCHANGEABLE
VALVE,SAFETY RELIEF
20099F51SS
4820-01-179-2882INTERCHANGEABLE
VALVE,SAFETY RELIEF
20099C01S0035
1680-01-191-5193INTERCHANGEABLE
WEAPON PROGRAM UNIT
20099
4330-01-285-3683INTERCHANGEABLE
FILTER ELEMENT,FLUID
4320-01-330-6019INTERCHANGEABLE
PLATE,PRESSURE,ROTARY PUMP
20099
5970-01-486-7982INTERCHANGEABLE
INSULATOR,PLATE
20099
5360-01-643-0696INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20099
5306-01-686-8316INTERCHANGEABLE
BOLT,SHEAR
20-099-3-11
5940-01-686-8322INTERCHANGEABLE
TERMINAL,LUG
20-099-3-09

Frequently Asked Questions

What is NSN 5305-01-687-2785?

NSN 5305-01-687-2785 is a Screw,machine, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-687-2785?

NSN 5305-01-687-2785 has 4 cross-referenced part numbers: 20-099 (Howmet Global Fastening Systems Inc), PBF1690 SERIES (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC 1705 SERIES (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-099-3-10 (Bell Textron Inc).

What NSN replaces 5305-01-687-2785?

There are 12 known substitutes for 5305-01-687-2785: 6615-00-211-2571, 5330-00-599-4453, 2520-00-766-7607 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-099?

Key specifications for 20-099: Nominal Thread Diameter: 0.1900 INCHES IN; Internal Drive Style: OFFSET CRUCIFORM (TORQUE SET); Part Name Assigned by Controlling Agency: SCREW, SHEAR, TITANIUM, 130* HEAD, 95 KSI FSU; Thread Direction: RIGHT-HAND. 16 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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