Model: 3284721

Socket Head Cap Screw

Special Features:

0.018 in. Wide groove located 0.390 in. From bearing surface of head

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.673 inches and 0.765 inches
Fastener Length
Between 0.735 inches and 0.765 inches
Head Style
Flat chamfer
Head Diameter
Between 0.235 inches and 0.245 inches
Head Height
Between 0.159 inches and 0.164 inches
Locking Feature
Strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.164 inches
Width Across Flats
Between 0.141 inches and 0.143 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
80.0 rockwell c
Minimum Yield Strength
30000 pounds per square inch
Material
Plastic locking feature
Material
Steel comp 384 fastener or steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp xm-7 fastener
Surface Treatment
Passivate fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Thread Series Designator
Unc
NSN
5305-01-168-0868
Part Number
3284721
Description
Screw,cap,socket Head
CAGE
10001

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 3284721 NSN 5305-01-168-0868

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
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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