5305-01-270-8497

Find complete technical information, availability, and procurement data for: 5305-01-270-8497
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5305-01-270-8497 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-270-8497

Item Name Code

06657

Assigment Date

01/14/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, 3a thread class, 2.301 inches minimum and 2.331 inches maximum fastener length, flat countersunk head style, 0.291 inches minimum and 0.341 inches maximum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.291 inches minimum and 0.341 inches maximum
Fastener Length: 2.301 inches minimum and 2.331 inches maximum
Head Style: flat countersunk
Head Diameter: 0.442 inches minimum and 0.510 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1624 professional/industrial association standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NAS1624-32	Machine Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-270-8497?

The FSCG of the NSN 5305-01-270-8497 is 5305

Does the NSN 5305-01-270-8497 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-270-8497 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-270-8497 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-270-8497 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-270-8497 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jan 14, 1988