Model: 212-556

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
2.000 inches
Fastener Length
2.000 inches
Head Style
Pan no. 2
Head Diameter
Between 0.357 inches and 0.373 inches
Head Height
Between 0.099 inches and 0.110 inches
Internal Drive Style
Slot
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Screw Material
Steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1524 or steel comp 1025 or steel comp 1527 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1038 or steel comp 1040 or steel comp 1541 or steel comp 1108 or steel comp 1109 or steel comp 1110
Screw Material Specification
Qq-s-633 except bessemer comp. Federal specification single material response or qq-w-409 grade 2, 3 or 4 federal specification single material response
Screw Surface Treatment
Cadmium and chromate or chromate zinc
Thread Series Designator
Unf
Nondefinitive Specification/std Data
I type and 9s style
NSN
5305-00-043-6758
Part Number
212-556
Description
Screw,machine
CAGE
80009

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 212-556 NSN 5305-00-043-6758

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
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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