Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
Heat treat collar age to t6 condition per mil-h-6088 and washer to age h1025 for 17-4ph, age to th1050 condition for 17-7ph and 15-7mo per mil-h-6875; no lubricant on washer; color finish anodize color brown; go thread gage penetration shall be 3/4 on one revolution after thread lock; surface texture 125 microinches per ansi b46.1-1978; dimentions apply after finish; disigned for use with protruding shear head and 100 degrees flush shear head pins; collar shall be used with alluminum structural material only at temp no exceeding 350 degrees f; for use on sloped surfaces up to 7 degrees maximum on standard and 1/64 oversize pins
NSN
National Stock Number:
TXT
Description:
Pin-rivet Collar
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3b
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
Collar Outside Diameter:
Between 0.465 inches and 0.475 inches
Collarheight:
0.570 inches
MRC:
A substance designed to provide a reduction of friction between the two surfaces in contact.ABAJ
Lubrication:
Cetyl alcohol
Collar Inside Diameter:
0.270 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Helicopter, attack
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):
28
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.250 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the collar.CWBJ
Collar Style:
Threaded (break off) type
MRC:
A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.HEAT
Heat Treatment:
T-6 solution heat treated collar
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Aluminum alloy 2024 body
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 630 washer or steel comp 631 washer or steel comp 632 washer
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Ams5643 assn standard single material response washer or ams5528 assn standard 1st material response washer or ams5520 assn standard 2nd material response washer
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-p-430 federal specification single material response collar or qq-a-225/6 federal specification single material response collar
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Cadmium washer
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Anodize collar
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.STDC
Surface Treatment Specification:
Mil-a-8625 military specification single treatment response body
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.STDC
Surface Treatment Specification:
Qq-p-416, type1, class2 federal specification single treatment response washer
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:
Unjf
