Model: 845-6641063PN2

Machine Screw

Special Features:

Head has three slotted drives equally spaced 60.0 deg. Apart. O-ring matl: kalrez o-ring, compound 4079

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.086 inches
Fastener Length
0.156 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.195 inches and 0.225 inches
Head Height
Between 0.025 inches and 0.030 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Features Provided
O ring
Thready Qty Per Inch (tpi)
40
Countersink Angle
100.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Screw Material
Steel comp 302
Screw Material Specification
Qq-s-763 cond a federal specification single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Qq-p-35 type 6 federal specification single treatment response
Thread Series Designator
Unc
NSN
5305-01-388-1821
Part Number
845-6641063PN2
Description
Screw,machine
CAGE
53711

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 845-6641063PN2 NSN 5305-01-388-1821

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:
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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
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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