Model: A3307496-1

Machine Screw

Special Features:

Lock washer has internal teeth

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.355 inches and 0.375 inches
Fastener Length
Between 0.355 inches and 0.375 inches
Head Style
Pan no. 2
Head Diameter
Between 0.327 inches and 0.338 inches
Head Height
Between 0.105 inches and 0.115 inches
Extended Washer Diameter
Between 0.327 inches and 0.338 inches
Extended Washer Thickness
Between 0.018 inches and 0.023 inches
Internal Drive Style
Cross recess type 1
End Application
A3266159-001
Thread Diameter
0.164 inches
Features Provided
Lock washer
Thready Qty Per Inch (tpi)
32
Part Name Assigned By Controlling Agency
Screw, pan head, cross-recessed, single sems
Screw Material
Stainless steel
Bearing Surface Of Head Surface Treatment
Passivate
Head Surface Treatment
Passivate
Screw Surface Treatment
Passivate
Shank Surface Treatment
Passivate
Bearing Surface Of Head Surface Treatment Specification
Astm a380 assn standard single treatment response
Head Surface Treatment Specification
Astm a380 assn standard single treatment response
Screw Surface Treatment Specification
Astm a380 assn standard single treatment response
Shank Surface Treatment Specification
Astm a380 assn standard single treatment response
Thread Series Designator
Unc
NSN
5305-01-603-1353
Part Number
A3307496-1
Description
Screw,machine
CAGE
80063

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 A3307496-1 NSN 5305-01-603-1353

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:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
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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