NSN 5305-00-402-5743, 5305004025743
Cancelled -> Replaced by 5306005435295

Federal Supply Classification: FSC 5305 - Screws
National Item Identification Number: NIIN 004025743
Codification Country: United States
Item Name Code: INC 36433
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5305-00-402-5743

National Stock Number (NSN) 5305-00-402-5743, or NIIN 004025743, (screw,lag) was assigned April 17, 1970 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 5306005435295.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 36433. [AN EXTERNALLY THREADED FASTENER HAVING A SQUARE OR HEXAGON HEAD AND WITH A CONTINUOUS THREAD (WOOD SCREW TYPE OR FETTER TYPE) EXTENDING FROM A GIMLET OR CONE POINT FOR A DISTANCE OF SLIGHTLY MORE THAN ONE-HALF THE LENGTH OF THE SCREW.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305004025743 does not contain precious metals.

This information was last updated on Apr 01, 2025.

Technical Characteristics

NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND 1 STYLE AND C GRADE
SHOULDER LENGTH: (AATX) 0.094 INCHES MINIMUM FIRST SHOULDER
SHOULDER DIAMETER: (AATN) 0.237 INCHES MINIMUM FIRST SHOULDER AND 0.260 INCHES MAXIMUM FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 66 FED STD ALL MATERIAL RESPONSES OVERALL
HEAD STYLE: (AASK) HEXAGON
NONMACHINE THREAD STYLE: (CRGF) GIMLET POINT (TYPE A, AB OR BA)
WIDTH BETWEEN FLATS: (AATB) 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
NONMACHINE NOMINAL THREAD DIAMETER: (CTYF) 0.250 INCHES
FASTENER LENGTH: (AASB) 3.500 INCHES NOMINAL
HEAD HEIGHT: (AASU) 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
SHOULDER SHAPE: (CWYB) ROUND FIRST SHOULDER
MATERIAL: (MATT) STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 316 OVERALL
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL