PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65449-1Screw,cap,hexagon Head

Mckiernan-Terry Marine Div of Litton Systems Inc · NSN 5305-00-498-4593 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-498-4593 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-498-4593. Primary manufacturer part number: 65449-1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Material Document and Classification: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-498-4593, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mckiernan-Terry Marine Div of Litton Systems Inc. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-498-4593
Primary Part Number65449-1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMckiernan-Terry Marine Div of Litton Systems Inc
StatusACTIVE
Thread Class2A A
Nominal Thread Diameter0.500 INCHES IN
Material Document and ClassificationSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Head Height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Thread Length3.000 INCHES MINIMUM IN
Fastener Length11.000 INCHES NOMINAL IN
Thread Quantity Per Inch20
Head StyleHEXAGON
Width Between Flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-356-5914654491 INTERCHANGEABLE
Cap,syringe,hypodermic
B. Braun Medical Inc
Cross-Reference Index
Part NumberManufacturer
65449-1 Mckiernan-Terry Marine Div of Litton Systems Inc (USA)
Related Parts
6515-01-356-5914INTERCHANGEABLE
CAP,SYRINGE,HYPODERMIC
654491

Frequently Asked Questions

What is NSN 5305-00-498-4593?

NSN 5305-00-498-4593 is a Screw,cap,hexagon Head, manufactured by Mckiernan-Terry Marine Div of Litton Systems Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-498-4593?

NSN 5305-00-498-4593 has 1 cross-referenced part number: 65449-1 (Mckiernan-Terry Marine Div of Litton Systems Inc).

What NSN replaces 5305-00-498-4593?

There is 1 known substitute for 5305-00-498-4593: 6515-01-356-5914. Verify interchangeability with system specifications before substitution.

What are the specifications of 65449-1?

Key specifications for 65449-1: Thread Class: 2A A; Nominal Thread Diameter: 0.500 INCHES IN; Material Document and Classification: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com