Part Number
DEMIL
Shelf Life
UOM
NIIN
NSN
National Stock Number:
TXT
Description:
Machine Screw
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2a
MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
Thread Direction:
Right-hand
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
Between 0.782 inches and 0.875 inches
MRC:
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
Fastener Length:
Between 0.844 inches and 0.875 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat chamfer
MRC:
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.AASL
Head Diameter:
Between 0.257 inches and 0.263 inches
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.074 inches and 0.080 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.ABQZ
Internal Drive Style:
Tri-wing recess
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.138 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
32
MRC:
The chemical compound or mechanical mixture properties of which the screw is fabricated.CYAU
Screw Material:
Copper alloy 268 or copper alloy 260 or copper alloy 240 or copper alloy 230 or copper alloy 377 or copper alloy 360 or copper alloy 342 or copper alloy 353 or copper alloy 270 or copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 or copper alloy 210 or copper alloy 220 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 757 or copper alloy 764 or copper alloy 770
MRC:
The metallic,nonmetallic,and/or chemical properties with which the screw is plated,dipped and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.CYBA
Screw Surface Treatment:
Oxide
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material of the screw.CYBE
Screw Surface Treatment Specification:
Mil-f-495 military specification single treatment response
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unc
