Model: BL-4724

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.302 inches and 0.322 inches
Fastener Length
Between 0.302 inches and 0.322 inches
Head Style
Headless (setscrew)
Spline Minor Diameter
Between 0.055 inches and 0.056 inches
Spline Major Diameter
Between 0.078 inches and 0.079 inches
Spline Width
Between 0.022 inches and 0.023 inches
Locking Feature
Strip threads
Point Style
Cup
Internal Drive Style
Four spline
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Plastic locking feature
Material
Steel comp 4037 fastener or steel comp 4137 fastener or steel comp 4140 fastener or steel comp 8630 fastener or steel comp 8740 fastener
Material Specification
66 federal standard all material responses fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response fastener
Thread Series Designator
Unc
Nondefinitive Specification/std Data
2 type and 4 style
Departure From Cited Designator
Asmodified by locking feature
NSN
5305-00-837-9918
Part Number
BL-4724
Description
Setscrew
CAGE
08484

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part BL-4724 NSN 5305-00-837-9918

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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:
--
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:
713
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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