5305-00-156-2403

Find complete technical information, availability, and procurement data for: 5305-00-156-2403
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-156-2403

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

right-hand thread direction, 2a thread class, flat countersunk head style, 1.188 inches minimum and 1.250 inches maximum fastener length, 1.179 inches minimum 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: 2a
Thread Direction: right-hand
Thread Length: 1.179 inches minimum
Fastener Length: 1.188 inches minimum and 1.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.462 inches minimum and 0.507 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: w/s: aircraft, orion p-3
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 2330
Screw Material Document And Classification: sae assn std single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 3 type and 3c style
Departure From Cited Designator: as modified by material,as modified by min tensile strength,as modified by hardness rating

FAQs

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

What is the FSCG of the NSN 5305-00-156-2403?

The FSCG of the NSN 5305-00-156-2403 is 5305

Does the NSN 5305-00-156-2403 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-156-2403 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 5305-00-156-2403 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-156-2403 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 5305-00-156-2403 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963