Model: 275779

Machine Bolt

Properties:

Thread Direction
Right-hand
Thread Length
Between 0.669 inches and 0.740 inches
Fastener Length
Between 0.740 inches and 0.760 inches
Head Style
Double hexagon extended washer
Head Height
Between 0.320 inches and 0.340 inches
Width Between Flats
Between 0.304 inches and 0.313 inches
Extended Washer Diameter
Between 0.428 inches and 0.448 inches
Extended Washer Thickness
Between 0.060 inches and 0.070 inches
Hole Diameter
0.065 inches
Thread Diameter
0.250 inches
Hole Quantity
4
Hole Type
Drilled
Features Provided
Finished head
Nonstandard Thread Pitch Diameter
+0.2213/+0.2238 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
30.0 rockwell c and 38.0 rockwell c
Hole Configuration Style
Double hexagon longitudinal hole
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Material
Stainless steel
Material Specification
Ams 5616 assn standard single material response
Precious Material
Silver
Surface Treatment
Silver threads
Surface Treatment Specification
Ams 2410 assn standard single treatment response threads
Thread Series Designator
Unf
NSN
5306-00-639-4278
Part Number
275779
Description
Bolt,machine
CAGE
77445

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 275779 NSN 5306-00-639-4278

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
S
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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