PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43909Screw,cap,hexagon Head

Spirax Sarco Inc Dba Spirax Sarco · NSN 5305-01-406-7262 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-406-7262 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-406-7262. Primary manufacturer part number: 43909.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Material: STEEL COMP 1035 OVERALL
  • Thread Quantity Per Inch: 16
  • Fastener Length: 1.125 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 2 verified cross-references
  • Primary manufacturer: Spirax Sarco Inc Dba Spirax Sarco
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1035 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-406-7262, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-406-7262
Primary Part Number43909
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Nominal Thread Diameter0.375 INCHES IN
MaterialSTEEL COMP 1035 OVERALL
Thread Quantity Per Inch16
Fastener Length1.125 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-235-5828 INTERCHANGEABLE
Socket,socket Wrench
5330-00-297-643843-909 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
4810-01-390-326443909 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
43909 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
J-968 PIECE 1 Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5120-00-235-5828INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-00-297-6438INTERCHANGEABLE
SEAL,PLAIN ENCASED
43-909
4810-01-390-3264INTERCHANGEABLE
SEAT,VALVE
43909

Frequently Asked Questions

What is NSN 5305-01-406-7262?

NSN 5305-01-406-7262 is a Screw,cap,hexagon Head, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-406-7262?

NSN 5305-01-406-7262 has 2 cross-referenced part numbers: 43909 (Spirax Sarco Inc Dba Spirax Sarco), J-968 PIECE 1 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 5305-01-406-7262?

There are 3 known substitutes for 5305-01-406-7262: 5120-00-235-5828, 5330-00-297-6438, 4810-01-390-3264. Verify interchangeability with system specifications before substitution.

What are the specifications of 43909?

Key specifications for 43909: Nominal Thread Diameter: 0.375 INCHES IN; Material: STEEL COMP 1035 OVERALL; Thread Quantity Per Inch: 16; Fastener Length: 1.125 INCHES NOMINAL IN. 5 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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