Model: 91255A248

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.880 inches
Fastener Length
1.250 inches
Head Style
Button
Head Diameter
Between 0.347 inches and 0.361 inches
Head Height
Between 0.091 inches and 0.101 inches
Internal Drive Style
Hexagon
Thread Diameter
0.190 inches
Width Across Flats
0.094 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
38.0 rockwell c and 44.0 rockwell c
Material
Steel
Material Specification
Astm f835 assn standard single material response
Thread Series Designator
Unc
NSN
5305-01-439-2337
Part Number
91255A248
Description
Screw,cap,socket Head
CAGE
39428

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 91255A248 NSN 5305-01-439-2337

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:
BA
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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