Model: 478152-002

Externally Relieved Body Screw

Special Features:

Screw is threaded the full length except externally relieved portion

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
Between 0.469 inches and 0.500 inches
Head Style
Pan
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.087 inches and 0.097 inches
First Diameter From Head
0.138 inches
Second Diameter From Head
0.075 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.188 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 0.409 inches and 0.440 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
80000 pounds per square inch
Externally Relieved Body Diameter Quantity
1
Material
Steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347
Material Specification
Qq-s-763 federal specification all material responses or fed-std66 federal standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072 e300 military specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-372-8391
Part Number
478152-002
Description
Screw,externally Relieved Body
CAGE
89305

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 478152-002 NSN 5305-01-372-8391

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:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096640
UFC:
50600
LTL:
70.0
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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