Model: VS3251-4D9

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.400 inches and 0.450 inches
Fastener Length
Between 0.972 inches and 1.002 inches
Head Style
Dished hexagon
Head Height
Between 0.156 inches and 0.171 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Shoulder Diameter
0.311 inches first shoulder and 0.312 inches first shoulder
Shoulder Length
0.552 inches first shoulder and 0.572 inches first shoulder
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Distance From Head Largest Bearing Surface To Shank Hole Center
0.784 inches first hole and 0.834 inches first hole
Shoulder Shape
Round first shoulder
Material
Iron alloy 660
Material Specification
Ams5732 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-01-189-7404
Part Number
VS3251-4D9
Description
Bolt,shoulder
CAGE
06950

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part VS3251-4D9 NSN 5306-01-189-7404

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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:
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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