Model: 321862-16

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.156 inches
Fastener Length
0.438 inches
Head Style
Pan
Head Diameter
Between 0.205 inches and 0.219 inches
Head Height
Between 0.070 inches and 0.080 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
80000 pounds per square inch
Screw Material
Stainless steel
Screw Material Specification
66 federal standard single material response
Head Surface Treatment
Passivate
Shank Surface Treatment
Oxide and passivate
Head Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Shank Surface Treatment Specification
Mil-c-13924, class 4 military specification single treatment response and qq-p-35 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-087-3183
Part Number
321862-16
Description
Screw,machine
CAGE
96214

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 321862-16 NSN 5305-01-087-3183

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
U
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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