Model: NAS1790-3-4

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.338 inches
Fastener Length
Between 0.573 inches and 0.603 inches
Head Style
Flat countersunk
Head Diameter
Between 0.339 inches and 0.381 inches
Internal Drive Style
High-torque
Thread Diameter
0.1900 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Bolt
Screw Material
Steel comp 4140 or steel comp 4340 or steel comp e4340 or steel comp 8740
Bearing Surface Of Head Surface Treatment
Cadmium
Head Surface Treatment
Cadmium
Screw Surface Treatment
Cadmium
Shank Surface Treatment
Cadmium
Bearing Surface Of Head Surface Treatment Specification
Ams-qq-p-416, type ii, class 2 assn standard single treatment response
Head Surface Treatment Specification
Ams-qq-p-416, type ii, class 2 assn standard single treatment response
Screw Surface Treatment Specification
Ams-qq-p-416, type ii, class 2 assn standard single treatment response
Shank Surface Treatment Specification
Ams-qq-p-416, type ii, class 2 assn standard single treatment response
Thread Series Designator
Unjf
NSN
5305-01-656-0449
Part Number
NAS1790-3-4
Description
Screw,machine
CAGE
80205

Part NAS1790-3-4 NSN 5305-01-656-0449

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

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:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
TCC:
Z
SHC:
9
ACC:
Construction Materials

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