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NSN 5305-00-441-0161, 5305004410161
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 004410161
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.
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DLMS® Summary

National Stock Number 5305-00-441-0161

National Stock Number (NSN) 5305-00-441-0161, or NIIN 004410161, (screw,close tolerance) was assigned December 12, 1969 in the Federal Logistics Information System (FLIS). NIIN 004410161 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 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 5305004410161 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

HEAD STYLE
(AASK) FLAT COUNTERSUNK
MATERIAL
(MATT) STEEL COMP H11 OVERALL
THREAD LENGTH
(AASA) 0.440 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
NOMINAL THREAD DIAMETER
(AHYM) 0.437 INCHES
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
GRIP LENGTH
(ANEE) 2.428 INCHES MINIMUM AND 2.448 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD QUANTITY PER INCH
(CMLP) 20
FASTENER LENGTH
(AASB) 2.888 INCHES MINIMUM AND 2.935 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.890 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM
INTERNAL DRIVE STYLE
(ABQZ) OFFSET CRUCIFORM (TORQUE SET)
THREAD CLASS
(AAJD) 3A
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES DESIGNATOR
(THSD) UNJF
MINIMUM TENSILE STRENGTH
(CQBC) 220000 POUNDS PER SQUARE INCH
HARDNESS RATING
(CQFM) 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL

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