Model: BACB30LE4K2

Ribbed Neck Bolt

Special Features:

These bolts are intended for tension applications where high strength, fatigue resistance, toughness and corrosion and oxidation resistance are necessary or desirable; essential to weapon system performance or operation, or the preservation of life or safety of operating personnel

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.455 inches
Fastener Length
0.860 inches
Head Style
Double hexagon w/hole
Head Height
0.235 inches
Width Between Flats
Between 0.305 inches and 0.313 inches
Extended Washer Diameter
0.470 inches
Extended Washer Thickness
0.042 inches
Rib Length
0.090 inches
Rib Quantity
12
End Application
Mv-22 aircraft (v-22 lrip 1 e-nsn isil)
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Rib Included Angle
30.0 degrees
Criticality Code Justification
Feat
Part Name Assigned By Controlling Agency
Bolt, 12 point head, 200 ksi min tensile, a286 cres; inavy: bolt, shear, aircraft
Material
Iron alloy 660
Material Specification
Ams5737 assn standard single material response
Surface Treatment Specification
Ams-qq-p-416, type 2, class 2 assn standard single treatment response
Thread Series Designator
Unjf
NSN
5306-01-501-1941
Part Number
BACB30LE4K2
Description
Bolt,ribbed Neck
CAGE
81205

A headed externally threaded fastener whose threaded portion is of one nominal diameter with a series of longitudinal ribs, splines or serrations on all or part of the unthreaded portion. See also bolt, ribbed shoulder.

Part BACB30LE4K2 NSN 5306-01-501-1941

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15940
FIIG:
A003B0
Concept No.:
App. Key:
BT
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:
A
ESD:
ESD:
MMAC:
NV
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
573
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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