Model: 685-8364-001

Externally Relieved Body Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.330 inches and 0.360 inches
Fastener Length
Between 0.530 inches and 0.560 inches
Head Style
Pan no. 2
Head Diameter
Between 0.155 inches and 0.167 inches
Head Height
Between 0.053 inches and 0.062 inches
First Diameter From Head
Between 0.057 inches and 0.063 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.200 inches
Internal Drive Style
Slot
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Externally Relieved Body Diameter Quantity
1
Color
Black
Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924 military specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-289-4410
Part Number
685-8364-001
Description
Screw,externally Relieved Body
CAGE
13499

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 685-8364-001 NSN 5305-01-289-4410

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:
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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