PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14477Setscrew

Triumph Engine Control Systems Llc · NSN 5305-00-373-8654 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-373-8654 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-373-8654. Primary manufacturer part number: 14477.
Features
  • Setscrew — FSC 5305
  • Fastener Length: 1.640 INCHES NOMINAL IN
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNF
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Length: 1.640 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Head Style: HEADLESS (SETSCREW)
Applications
  • Applications requiring Steel Comp 416f Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-373-8654, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-373-8654
Primary Part Number14477
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Fastener Length1.640 INCHES NOMINAL IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Surface TreatmentPASSIVATE OVERALL
Thread Length1.640 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head StyleHEADLESS (SETSCREW)
Thread Quantity Per Inch24
Nominal Thread Diameter0.312 INCHES IN
Material Document and ClassificationAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Minimum Tensile Strength123000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL COMP 416F OVERALL
Point StyleFLAT
Internal Drive StyleCROSS RECESS TYPE 1
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4710-00-720-116814477 INTERCHANGEABLE
Tube Assembly,metal
Triumph Controls, Llc Dba Triumph Controls, Llc
4820-01-266-53331447-7 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5315-01-342-537714477 INTERCHANGEABLE
Pin,straight,headless
Blue Tee Corp. Dba Gefco
5305-01-506-8206144-77 INTERCHANGEABLE
Screw,cap,hexagon Head
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4720-01-509-4836144-77 INTERCHANGEABLE
Hose Assembly,nonmetallic
Crane Carrier Company, Llc
5306-01-556-539714477 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
6520-01-581-0087257506 INTERCHANGEABLE
Attachment,straight,dental Handp
Dentalez, Inc. Dba Star Dental
Cross-Reference Index
Part NumberManufacturer
14477 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
4710-00-720-1168INTERCHANGEABLE
TUBE ASSEMBLY,METAL
14477
4820-01-266-5333INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
1447-7
5315-01-342-5377INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
14477
5305-01-506-8206INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
144-77
4720-01-509-4836INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
144-77
5306-01-556-5397INTERCHANGEABLE
BOLT,MACHINE
14477
6520-01-581-0087INTERCHANGEABLE
ATTACHMENT,STRAIGHT,DENTAL HANDP
257506

Frequently Asked Questions

What is NSN 5305-00-373-8654?

NSN 5305-00-373-8654 is a Setscrew, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-373-8654?

NSN 5305-00-373-8654 has 1 cross-referenced part number: 14477 (Triumph Engine Control Systems Llc).

What NSN replaces 5305-00-373-8654?

There are 7 known substitutes for 5305-00-373-8654: 4710-00-720-1168, 4820-01-266-5333, 5315-01-342-5377 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14477?

Key specifications for 14477: Fastener Length: 1.640 INCHES NOMINAL IN; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL; Thread Series Designator: UNF; Surface Treatment: PASSIVATE OVERALL. 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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