NSN 5305-00-266-1544, 5305002661544
SCREW,LAG

Federal Supply Classification: FSC 5305 - Screws
National Item Identification Number: NIIN 002661544
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 5305-00-266-1544

National Stock Number (NSN) 5305-00-266-1544, or NIIN 002661544, (screw,lag) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.

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 5305002661544 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

NONDEFINITIVE SPEC/STD DATA: (ZZZT) 1 TYPE AND 2 STYLE AND C GRADE
WIDTH BETWEEN FLATS: (AATB) 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) 66 FED STD ALL MATERIAL RESPONSES OVERALL
FASTENER LENGTH: (AASB) 1.500 INCHES NOMINAL
NONMACHINE THREAD STYLE: (CRGF) GIMLET POINT (TYPE A, AB OR BA)
NONMACHINE NOMINAL THREAD DIAMETER: (CTYF) 0.500 INCHES
HEAD STYLE: (AASK) SQUARE
HEAD HEIGHT: (AASU) 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM
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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH: (CQBC) 70000 POUNDS PER SQUARE INCH