Model: 3/8-16UNC 3A X 1/2 IN. LG.

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.345 inches
Fastener Length
Between 0.470 inches and 0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.550 inches and 0.562 inches
Head Height
Between 0.368 inches and 0.375 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.312 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
37.0 rockwell c and 45.0 rockwell c
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 4340
Material Specification
Astm a574 assn standard single material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
2 type
NSN
5305-01-287-2261
Part Number
3/8-16UNC 3A X 1/2 IN. LG.
Description
Screw,cap,socket Head
CAGE
80204

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 3/8-16UNC 3A X 1/2 IN. LG. NSN 5305-01-287-2261

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:
--
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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