163 A 127

163A127 Externally Relieved Body Bolt

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Datasheet. 163 A 127 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.380in. ⁓25/64"

Fastener Length
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.

0.830in. and 0.900in. ⁓29/32"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat chamfer

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.480in. and 0.500in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.100in. and 0.120in. ⁓1/8"

First Diameter From Head

0.150in. and 0.165in.

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.080in. and 0.100in.

Answers.

What is the head style?

Flat chamfer

What is the thread length?

0.380 inches minimum

What is the thread class?

2a

What is the NSN for 163 A 127?

5306-00-095-2486

What's the federal classification of 163 A 127?

FSC 5306 ⁓ Bolts

NSN 5306-00-095-2486 BOLT,EXTERNALLY RELIEVED BODY

flat chamfer head style 0.380" thread length 2a thread class

NIIN
000952486
NIIN Date
01/01/63
Schedule B
 
Name Code
06675
FIIG
A003B0
QUP
 
Historical Price
$0.70 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

  • - Department of The Air Force 
  • - Spain 
  • - Republic of Korea 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

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163 A 127 / 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.