5305-01-407-7253

Find complete technical information, availability, and procurement data for: 5305-01-407-7253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-407-7253

Item Name Code

01852

Assigment Date

02/03/1995 (31 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, 0.500 inches nominal fastener length, 3a thread class, 0.242 inches nominal thread length, flat countersunk head style

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: 0.242 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.4640 inches minimum and 0.5066 inches maximum
First Diameter From Head: 0.200 inches minimum and 0.204 inches maximum
Internal Drive Style: high-torque
End Item Identification: aircraft, hawkeye e-2c
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Externally Relieved Body Diameter Quantity: 1
Special Features: m/f nas1604-3; unthreaded shoulder portion under head 0.250 in.dia
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator: unjf

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
7542964	Externally Relieved Body Screw
7542964P0001	Externally Relieved Body Screw
7542964P1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-407-7253?

The FSCG of the NSN 5305-01-407-7253 is 5305

Does the NSN 5305-01-407-7253 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-407-7253 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 5305-01-407-7253 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-407-7253 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 5305-01-407-7253 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Fri, Feb 3, 1995