Model: B1821BH037F100N

Hexagon Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.324 inches
Fastener Length
Between 0.970 inches and 1.020 inches
Head Style
Hexagon
Head Height
Between 0.226 inches and 0.268 inches
Width Between Flats
Between 0.544 inches and 0.562 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Material
Steel uns k04100
Material Specification
Astma354, grade bd assn standard single material response
Surface Treatment
Zinc
Surface Treatment Specification
Astmb633 assn standard single treatment response
Thread Series Designator
Unf
NSN
5305-01-450-4794
Part Number
B1821BH037F100N
Description
Screw,cap,hexagon Head
CAGE
80204

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 B1821BH037F100N NSN 5305-01-450-4794

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:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
573
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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