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NAS1351N4H8 The NAS1351N4H8 is a socket head cap screw from National Aerospace Standards with a 0.250 inch thread diameter and a length of 0.470 to 0.500 inches. It is constructed from Iron Alloy 660 and features a passivate surface treatment.
Mfr Part #:

NAS1351N4H8

Available from 1 distributors
Mfr Name: National Aerospace Standards
National Aerospace Standards
The NAS1351N4H8 is a socket head cap screw from National Aerospace Standards with a 0.250 inch thread diameter and a length of 0.470 to 0.500 inches. It is constructed from Iron Alloy 660 and features a passivate surface treatment.
✓ Total Stock: 23 pcs
$ Price Range: $0.25

NAS1351N4H8 Available from 1 distributor

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23 pcs
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NAS1351N4H8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Head Diameter
Head Height
Head Style
Hole Diameter
Material
SVHC Present
Thread Length
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NAS1351N4H8 Description

Short technical summary and product information.

This NAS1351N4H8 socket head cap screw is manufactured by National Aerospace Standards. It features a nominal thread diameter of 0.250 inches and a thread length between 0.399 and 0.500 inches. The overall fastener length is between 0.470 and 0.500 inches.

 

The screw has a flat chamfer head style with a diameter between 0.365 and 0.375 inches and a height between 0.244 and 0.250 inches. It includes 6 drilled holes with a diameter between 0.044 and 0.050 inches, arranged in a round internal hexagon configuration. The internal drive style is hexagon.

 

Constructed from Iron Alloy 660, this fastener meets material specifications AMS5731 or AMS5737. It is treated with a passivate surface finish conforming to QQ-P-35 federal specification. The minimum tensile strength is 160,000 pounds per square inch. The thread class is 3a with a right-hand thread direction and 28 threads per inch.

 

This part conforms to the 80205-NAS1351 professional/industrial association standard. It is classified under ECCN EAR99 and has an NSN of 5305-01-239-3521.

NAS1351N4H8 Quick Information

Product Type: Socket Head Cap Screw
Series: NAS1351
Canonical Name: NAS1351N4H8 Socket Head Cap Screw
Subcategory: Screws

NAS1351N4H8 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

NAS1351N4H8 Estimated Pricing

Qty Low High
1+ $0.25 $0.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

NAS1351N4H8 Features

  • 0.250 inch nominal thread diameter.
  • 0.470 to 0.500 inch fastener length.
  • Iron Alloy 660 material construction.
  • Passivate surface treatment per QQ-P-35.
  • Conforms to NAS1351 standard.

NAS1351N4H8 Applications

  • Used in aerospace and industrial applications.
  • Suitable for high-strength fastening needs.
  • Drilled head allows for safety wiring.
  • Hexagon drive for secure assembly.

NAS1351N4H8 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the thread diameter of the NAS1351N4H8 screw?

The nominal thread diameter is 0.250 inches.

What is the length of the NAS1351N4H8 screw?

The fastener length is between 0.470 and 0.500 inches.

What material is the NAS1351N4H8 screw made from?

The screw is made from Iron Alloy 660.

What is the minimum tensile strength of the NAS1351N4H8 screw?

The minimum tensile strength is 160,000 pounds per square inch.

What standard does the NAS1351N4H8 screw conform to?

It conforms to the 80205-NAS1351 professional/industrial association standard.

What is the RoHS status of the NAS1351N4H8 screw?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the NAS1351N4H8 screw?

The Moisture Sensitivity Level is 1 Unlimited.

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