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Screw, Cap, Socket Head, Heat Resistant Steel HD.250-28

Part # NAS1351N4-20

Manufacturer:

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Revision:

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Quality Docs:

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Certs Required:

SCREW, SOC HD.250-28X 1.250
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Overview

Screw is a heat resistant steel component identified by NAS1351N4-20. This screw features a flat chamfer head style and is designed for right-hand threading. The screw has a nominal thread diameter of 0.250 inches and a thread quantity of 28 per inch. The fastener length ranges from 1.210 inches to 1.250 inches, ensuring a secure fit in specific applications. The head diameter varies between 0.365 inches to 0.375 inches, while the head height is between 0.244 inches to 0.250 inches. The surface treatment is passivated, enhancing corrosion resistance, making it suitable for use in challenging environments.

Features & Benefits

  • Designed for right-hand threading engagement
  • Provides a flat chamfer head style suitable for various applications
  • Delivers a reliable fastening solution with a nominal thread diameter
  • Features a passivated surface treatment for enhanced durability

Technical Information

ATA Number

21

ATA Chapter

Air Conditioning

ATA Group

Airframe Systems

ATA Section

RAM AIR SYSTEM
FORWARD CARGO AIR CONDITIONING SYSTEM
POWER ELECTRONICS COOLING SYSTEM

NIIN

010809184

NSN

5305-01-080-9184

FSCG

5305

FSCG Category

Screws

UNSPSC Code

31161500

UNSPSC Category

Screws

Lead Time (Days)

910

Product Class Description

Screws

Country of Origin

United States

Harmonized Tariff Schedule Code

7318158085

Manufacturer CAGE Code

1EM77
0F620
62206
1ER65

Storage Required

No

Unit Of Measure

EA

Pieces Per Pound

0

DFAR Applicable

Yes

Revision Level Applicable

No

Product Class

31161500

Material Composition

HEAT RESISTANT STEEL

Design Holder CAGE Code

80205

Design Holder

NATIONAL AEROSPACE STANDARDS

Potential Alternates

NAS1351N420
5305010809184
NAS1351-N4-20
NAS 1351 N 4 20
NAS1351N-4-20
214052ITL

Aircraft Makes

Boeing
Airbus

Aircraft Models

A321-200
787
767
A320-200
A319-100
787-9
8 more

Shipping Details

Dry Ice

No

ECCN

EAR99

Proprietary Part

No

Hazmat

No
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.