Model: 6755988

Ribbed Shoulder Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.830 inches and 0.860 inches
Fastener Length
Between 1.270 inches and 1.300 inches
Head Style
Dee
Head Diameter
0.624 inches
Head Height
0.188 inches
Distance From Centerline To Flat
Between 0.156 inches and 0.176 inches
Shoulder Diameter
0.303 inches first shoulder and 0.307 inches first shoulder
Shoulder Length
0.320 inches first shoulder
Rib Major Diameter
Between 0.317 inches and 0.321 inches
Rib Length
0.260 inches
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
Between 0.030 inches and 0.090 inches
Rib Minor Diameter
Between 0.303 inches and 0.307 inches
Rib Quantity
33
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Shoulder Shape
Ribbed first shoulder
Material
Steel comp 1335 or steel comp 1541
Material Specification
Sae assn standard all material responses
Thread Series Designator
Unf
NSN
5306-00-679-8109
Part Number
6755988
Description
Bolt,ribbed Shoulder
CAGE
24617

An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.

Part 6755988 NSN 5306-00-679-8109

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16014
FIIG:
A003B0
Concept No.:
App. Key:
BU
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:
U
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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