PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

709-8345733-003-009Screw,cap,socket Head

Naval Sea Systems Command · NSN 5305-01-599-5054 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-599-5054 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-599-5054. Primary manufacturer part number: 709-8345733-003-009.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 1.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: NICKEL ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-599-5054, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5305-01-599-5054
Primary Part Number709-8345733-003-009
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Fastener Length1.250 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-649-9088709-8500409 ITEM 35-2 INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
0.250-20UNC-2AX1.25 NICUAL Naval Sea Systems Command (USA)
709-8345733-004-009 Naval Sea Systems Command (USA)
709-8345733-003-009 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5305-01-649-9088INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
709-8500409 ITEM 35-2

Frequently Asked Questions

What is NSN 5305-01-599-5054?

NSN 5305-01-599-5054 is a Screw,cap,socket Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-599-5054?

NSN 5305-01-599-5054 has 3 cross-referenced part numbers: 0.250-20UNC-2AX1.25 NICUAL (Naval Sea Systems Command), 709-8345733-004-009 (Naval Sea Systems Command), 709-8345733-003-009 (Naval Sea Systems Command).

What NSN replaces 5305-01-599-5054?

There is 1 known substitute for 5305-01-599-5054: 5305-01-649-9088. Verify interchangeability with system specifications before substitution.

What are the specifications of 709-8345733-003-009?

Key specifications for 709-8345733-003-009: Fastener Length: 1.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN; Thread Class: 2A A; Thread Direction: RIGHT-HAND. 7 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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