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Datasheet. 3001269-1 specification
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
3a
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.
RIGHT-Hand
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.
0.875in. ⁓7/8"
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.
10.734in. ⁓10-47/64"
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.
dee chamfer
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.
0.375in.
A measurement from the bottom to the top of the head,in distinction from depth.
0.281in. ⁓9/32"
0.172in.
0.250in.
0.188in.
0.250in.
0.188in.
0.250in.
0.484in.
1.188in.
1.391in.
2.094in.
2.484in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.
flat
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
0.250in. ⁓1/4"
The number of threads on the item per linear inch measured on a line parallel to the thread axis.
28
err default
err default
err default
err default
The number of externally relieved diameters on the body,adjacent to the head.
11
err default
3.281in.
err default
0.188in.
err default
err default
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
plus twelve each alternating undercuts and shoulders of 0.188 and 0.250diameters respectively, distances frombeginning of eleventh diameter from largest bearing surface of head to the end of the TWENTY-Second diameter are 5.422, 5.953, 6.156, 6.688, 7.172, 7.734, 7.938, 8.484, 8.703, 9.203, 9.641, and 9.859
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
unf
Answers.
1EA
Unf
28
Dee chamfer
0.875 inches
Right-hand
3a
FSC 5306 ⁓ Bolts
NSN 5306-01-273-4383 BOLT,EXTERNALLY RELIEVED BODY
unf thread series plus twelve each alternating undercuts 28 thread quantity per inch dee chamfer head style 0.875" thread length right-hand 3a thread class
- NIIN
- 012734383
- NIIN Date
- 02/25/88
- Schedule B
- Name Code
- 06675
- FIIG
- A003B0
- QUP
- 1
- Historical Price
- $722.73 EA
- DEMIL / ITAR
- Uncontrolled item (Code A)
- Hazmat
- No hazard information available from HMIRS.
- MSDS
- N/A
- Precious Metals
- Metal content unknown
- Enviromental
- N/A
- Electrostatic ESD & EMI
- No ESD or EMI sensitivity
Major End Users Countries and entities
- - U.s. Coast Guard
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3001269-1 / Bolt,externally relieved bodyWhat is the formal definition of this item?
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). it is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. excludes bolt, internal wrenching and thumbscrew. see also screw, externally relieved body.
