Model: MS3212-50L

Machine Screw

Special Features:

Depth of recess: min. 0.135, max. 0.161; width of recess: min. 0.036 inch

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.562 inches
Fastener Length
0.562 inches
Head Style
Pan
Head Diameter
Between 0.473 inches and 0.517 inches
Head Height
Between 0.162 inches and 0.175 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Features Provided
O ring
Thready Qty Per Inch (tpi)
20
Part Name Assigned By Controlling Agency
Screw machine, pan head, cross-recessed, self-sealing, integral silicone-oring, plain and self-locking
Screw Material
Stainless steel
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Ams2700, mothod 1, class 4 assn standard single treatment response
Thread Series Designator
Unc
NSN
5305-01-642-5099
Part Number
MS3212-50L
Description
Screw,machine
CAGE
80205

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 MS3212-50L NSN 5305-01-642-5099

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:
A
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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