Model: 4421-M10-F85

Externally Relieved Body Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.156 inches
Fastener Length
0.625 inches
Head Style
Round
Head Diameter
Between 0.166 inches and 0.183 inches
Head Height
Between 0.088 inches and 0.107 inches
First Diameter From Head
Between 0.073 inches and 0.083 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.459 inches and 0.479 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Externally Relieved Body Diameter Quantity
1
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1109 or steel comp 1110 or steel comp 1116 or steel comp 1117 or steel comp 1118 or steel comp 1119 or steel comp 1132 or steel comp 1137 or steel comp 1139 or steel comp 1140 or steel comp 1141 or steel comp 1144 or steel comp 1145 or steel comp 1146 or steel comp 1151 or steel comp 1211 or steel comp 1212 or steel comp 1213 or steel comp 1215 or steel comp 12l14
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-165-7519
Part Number
4421-M10-F85
Description
Screw,externally Relieved Body
CAGE
04729

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 4421-M10-F85 NSN 5305-01-165-7519

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
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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