Model: NAS1221-4-17P

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.425 inches

Fastener Length

Between 1.473 inches and 1.503 inches

Head Style

Flat countersunk

Head Diameter

0.461 inches

Internal Drive Style

High-torque

End Application

Missile

Thread Diameter

0.2500 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Screw Material

Steel comp 4140 or steel comp 4340 or steel comp 8740

Screw Material Specification

Ams6382 assn standard 1st material response or ams6415 assn standard 2nd material response or ams6484 assn standard 2nd material response or ams6322 assn standard 3rd material response or ams6325 assn standard 3rd material response or ams6327 assn standard 3rd material response

Screw Surface Treatment

Cadmium

Screw Surface Treatment Specification

Ams-qq-p-416, type ii, class 2 assn standard single treatment response

Thread Series Designator

Unjf

NSN

5305-01-654-4880

Part Number

NAS1221-4-17P

Description

Screw,machine

CAGE

80205

Part NAS1221-4-17P NSN 5305-01-654-4880

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

Concept No.:

App. Key:

Cond. Code:

Status:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

72E

TCC:

SHC:

ACC:

Trailers/Vehicles

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