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NSN 5305-01-520-3841, 5305015203841
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 015203841
Codification Country
United States
Item Name Code
INC 29294
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5305-01-520-3841

National Stock Number (NSN) 5305-01-520-3841, or NIIN 015203841, (screw,close tolerance) was assigned May 10, 2004 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

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

This NSN is assigned to Item Name Code (INC) 29294. [A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.]. 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 5305015203841 does not contain precious metals.

This information was last updated on .


Technical Characteristics

MINIMUM TENSILE STRENGTH
(CQBC) 15550 POUNDS PER SQUARE INCH
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) NAS98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FASTENER LENGTH
(AASB) 1.937 INCHES MINIMUM AND 1.984 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM
POINT STYLE
(ABQJ) FLAT
GRIP LENGTH
(ANEE) 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES BEARING SURFACE OF HEAD
THREAD LENGTH
(AASA) 0.641 INCHES NOMINAL
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
HEAD STYLE
(AASK) FLAT COUNTERSUNK
HEAD DIAMETER
(AASL) 0.717 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
POINT LENGTH
(AAUY) 0.060 INCHES NOMINAL
THREAD CLASS
(AAJD) 3A
THREAD QUANTITY PER INCH
(CMLP) 24
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES DESIGNATOR
(THSD) UNJF
NOMINAL THREAD DIAMETER
(AHYM) 0.3750 INCHES
MATERIAL
(MATT) STEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) NAS672 FED STD SINGLE TREATMENT RESPONSE OVERALL

Manufacturer Part Numbers


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