PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-40X1-4RDHDScrew,machine

Farley Metals Inc Southern Screw Div · NSN 5305-00-151-3576 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-151-3576 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-151-3576. Primary manufacturer part number: 4-40X1-4RDHD.
Features
  • Screw,machine — FSC 5305
  • Screw Material: STEEL OR STEEL COMP 1010
  • Head Diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
  • Head Style: ROUND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Direction: RIGHT-HAND
  • Screw Surface Treatment: CADMIUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-151-3576, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Farley Metals Inc Southern Screw Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-151-3576
Primary Part Number4-40X1-4RDHD
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFarley Metals Inc Southern Screw Div
StatusCANCELLED
Screw MaterialSTEEL OR STEEL COMP 1010
Head Diameter0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Head StyleROUND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Drive StyleCROSS RECESS TYPE 1
Thread DirectionRIGHT-HAND
Screw Surface TreatmentCADMIUM
Fastener Length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
Thread Quantity Per Inch40
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Height0.086 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Nominal Thread Diameter0.112 INCHES IN
Thread Length0.200 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-116-41018734676-1 INTERCHANGEABLE
Screw,machine
Nyf/new York Fasteners/corp
5305-00-141-5164 INTERCHANGEABLE
Screw,machine
5305-00-151-0172 INTERCHANGEABLE
Screw,machine
5305-00-151-0259 INTERCHANGEABLE
Screw,machine
5305-00-151-0265 INTERCHANGEABLE
Screw,machine
5305-00-151-0470 INTERCHANGEABLE
Screw,machine
5305-00-151-0472 INTERCHANGEABLE
Screw,machine
5305-00-151-1376 INTERCHANGEABLE
Screw,machine
5305-00-151-1568 INTERCHANGEABLE
Screw,machine
5305-00-151-3578 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
4-40X1-4RDHD Farley Metals Inc Southern Screw Div (USA)
AN515-4-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS92ANDTYPE1ANDSTYLE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
4-40X1-4 Microdot Mfg Inc Greer-Central Div (USA)
10125009 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
5305-00-116-4101INTERCHANGEABLE
SCREW,MACHINE
8734676-1
5305-00-141-5164INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-0172INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-0259INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-0265INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-0470INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-0472INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-1376INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-1568INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-3578INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-3757INTERCHANGEABLE
SCREW,MACHINE
5305-00-151-3776INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-151-3576?

NSN 5305-00-151-3576 is a Screw,machine, manufactured by Farley Metals Inc Southern Screw Div, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-151-3576?

NSN 5305-00-151-3576 has 5 cross-referenced part numbers: 4-40X1-4RDHD (Farley Metals Inc Southern Screw Div), AN515-4-4 (Aeronautical Standards Group Dept of Navy and Air Force), FFS92ANDTYPE1ANDSTYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC), 4-40X1-4 (Microdot Mfg Inc Greer-Central Div), 10125009 (Nimikkeistokeskus Ncb Finland).

What NSN replaces 5305-00-151-3576?

There are 12 known substitutes for 5305-00-151-3576: 5305-00-116-4101, 5305-00-141-5164, 5305-00-151-0172 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-40X1-4RDHD?

Key specifications for 4-40X1-4RDHD: Screw Material: STEEL OR STEEL COMP 1010; Head Diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN; Head Style: ROUND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-151-3576 still in active supply?

NSN 5305-00-151-3576 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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