Model: 838903-00

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
Between 1.960 inches and 2.000 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Locking Feature
Pellet threads
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.1562 inches and 0.1587 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
80.0 rockwell b
Material
Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unrf
Specification Data
80205-nas1351 professional/industrial association standard
NSN
5305-01-247-9080
Part Number
838903-00
Description
Screw,cap,socket Head
CAGE
32345

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 838903-00 NSN 5305-01-247-9080

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

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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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