Model: 485394-7

Externally Relieved Body Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
Between 1.813 inches and 1.875 inches
Head Style
Pan
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.088 inches and 0.102 inches
First Diameter From Head
0.164 inches
Second Diameter From Head
Between 0.105 inches and 0.115 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.047 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 0.813 inches and 0.875 inches
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Externally Relieved Body Diameter Quantity
2
Part Name Assigned By Controlling Agency
Navy special project
Material
Iron alloy 660
Surface Treatment
Passivate
Thread Series Designator
Unc
NSN
5305-00-007-3066
Part Number
485394-7
Description
Screw,externally Relieved Body
CAGE
82577

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also bolt, externally relieved body and bolt, internal wrenching.

Part 485394-7 NSN 5305-00-007-3066

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01852
FIIG:
A003B0
Concept No.:
App. Key:
SE
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:
096660
UFC:
50620
LTL:
100.0
LCL:
--
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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