PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7421Screw,machine

Triumph Engine Control Systems Llc · NSN 5305-00-484-6914 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-484-6914 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-484-6914. Primary manufacturer part number: 7421.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.380 INCHES MINIMUM IN
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 36
  • Screw Surface Treatment: PASSIVATE
  • Screw Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Head Height: 0.096 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-484-6914, 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 16 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
NSN5305-00-484-6914
Primary Part Number7421
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Thread Length0.380 INCHES MINIMUM IN
Thread Class2A A
Thread Quantity Per Inch36
Screw Surface TreatmentPASSIVATE
Screw Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.164 INCHES IN
Head Height0.096 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Head StyleFLAT CHAMFER
Fastener Length0.380 INCHES NOMINAL IN
Screw MaterialSTEEL COMP 303
Hole Quantity1
Head Diameter0.190 INCHES NOMINAL IN
Head Hole Configuration StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5815-00-125-48737421 INTERCHANGEABLE
Bar,t,teletypewriter
Telemechanics Inc
6685-00-223-6819ML74A INTERCHANGEABLE
Rotor,psychrometer
Kahl Scientific Instrument Corporation
5930-00-239-04167421 INTERCHANGEABLE
Switch,push-Pull
Cole Hersee Company
2520-00-972-2001 INTERCHANGEABLE
Parts Kit,seal and
5962-01-018-0116515C2008-24-020 INTERCHANGEABLE
Microcircuit,digital
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
5962-01-039-5037 INTERCHANGEABLE
Microcircuit,digital
4940-01-186-2860742-1 INTERCHANGEABLE
Adapter,test
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
1005-01-225-38197421 INTERCHANGEABLE
Swivel,sling,small Arms
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
7421 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5815-00-125-4873INTERCHANGEABLE
BAR,T,TELETYPEWRITER
7421
6685-00-223-6819INTERCHANGEABLE
ROTOR,PSYCHROMETER
ML74A
5930-00-239-0416INTERCHANGEABLE
SWITCH,PUSH-PULL
7421
2520-00-972-2001INTERCHANGEABLE
PARTS KIT,SEAL AND
5962-01-018-0116INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
515C2008-24-020
5962-01-039-5037INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4940-01-186-2860INTERCHANGEABLE
ADAPTER,TEST
742-1
1005-01-225-3819INTERCHANGEABLE
SWIVEL,SLING,SMALL ARMS
7421

Frequently Asked Questions

What is NSN 5305-00-484-6914?

NSN 5305-00-484-6914 is a Screw,machine, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-484-6914?

NSN 5305-00-484-6914 has 1 cross-referenced part number: 7421 (Triumph Engine Control Systems Llc).

What NSN replaces 5305-00-484-6914?

There are 8 known substitutes for 5305-00-484-6914: 5815-00-125-4873, 6685-00-223-6819, 5930-00-239-0416 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7421?

Key specifications for 7421: Thread Length: 0.380 INCHES MINIMUM IN; Thread Class: 2A A; Thread Quantity Per Inch: 36; Screw Surface Treatment: PASSIVATE. 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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