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NSN 5305-01-591-0128, 5305015910128
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 015910128
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 5305-01-591-0128

National Stock Number (NSN) 5305-01-591-0128, or NIIN 015910128, (screw,close tolerance) was assigned January 6, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 18 suppliers. Today, 18 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 17 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 somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 07, 2011, this NSN's acquisition method was noted as: Not established. Not established.

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 5305015910128 does not contain precious metals.

This NSN is associated to Schedule B 7508900000: other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER
(CRZS) 0.473 INCHES MINIMUM AND 0.483 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH
(AASB) 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.188 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.013 INCHES MAXIMUM
HEAD STYLE
(AASK) FILLISTER COUNTERSUNK
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) NICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (135 KSI FSU)
POINT LENGTH
(AAUY) 0.039 INCHES NOMINAL
POINT STYLE
(ABQJ) FLAT
POINT CHAMFER ANGLE
(CWDK) 45.0 DEGREES NOMINAL
SHANK UNTHREADED HOLE DIAMETER
(AAWB) 0.070 INCHES MINIMUM AND 0.075 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES
(FEAT) HEAD HAS A 1.40 DEG RADIUS DOME
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3A
THREAD LENGTH
(AASA) 0.406 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 32
GRIP DIAMETER
(AAUR) 0.189 NOMINAL MILS AND 0.190 NOMINAL CENTIMETERS
POINT CHAMFER ANGLE
(CWDK) 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE
SHANK UNTHREADED HOLE DIAMETER
(AAWB) 0.070 NOMINAL MILS FIRST HOLE AND 0.075 NOMINAL CENTIMETERS FIRST HOLE
GRIP LENGTH
(ANEE) 0.188 NOMINAL INCHES

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