OmniSynk Distribution Services

NAS1802-4-28

Screw, Machine

Part number
NAS1802-4-28
NSN
5305-01-474-8070
NIIN
01-474-8070
Item name
Screw, Machine
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5305
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
1.781 inches nominal
Fastener Length
1.734 inches minimum and 1.781 inches maximum
Head Style
Hexagon
Head Height
0.049 inches minimum and 0.060 inches maximum
Width Between Flats
0.181 inches minimum and 0.189 inches maximum
Internal Drive Style
Cross recess type 1
Nominal Thread Diameter
0.112 inches
Thread Quantity per Inch
40
Screw Material
Iron alloy 660
Screw Material Document and Classification
AMS5732, A286 assn std 1ST material response or AMS5737, 286 assn std 2ND material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Document and Classification
QQ-P-35 fed spec single treatment response
Thread Series Designator
UNJC
Specification/Standard Data
80205-NAS1802 professional/industrial association standard
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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