Model: 1262-1240-0

Hexagon Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Head Style
Hexagon
End Application
Fire fighting equipment
Thread Diameter
0.250 inches
Nonstandard Thread Pitch Diameter
+0.20 to 0.25 inches
Thready Qty Per Inch (tpi)
20
Part Name Assigned By Controlling Agency
Screw, hex head, 1/4-20c1/2 s.S.
Material
Stainless steel
Thread Series Designator
Unc
NSN
5305-01-610-8839
Part Number
1262-1240-0
Description
Screw,cap,hexagon Head
CAGE
11939

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part 1262-1240-0 NSN 5305-01-610-8839

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
Concept No.:
App. Key:
SB
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:
A
ESD:
A
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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