5305-01-377-6548

Find complete technical information, availability, and procurement data for: 5305-01-377-6548
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-377-6548

Item Name Code

01852

Assigment Date

07/23/1993 (33 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

6.2095 inches nominal fastener length, 0.942 inches nominal thread length, right-hand thread direction, double chamfer head style, 2a thread class

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: 0.942 inches nominal
Fastener Length: 6.2095 inches nominal
Head Style: double chamfer
Head Diameter: 0.265 inches nominal
Head Height: 0.2165 inches nominal
First Diameter From Head: 0.162 inches nominal
Second Diameter From Head: 0.1257 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 4.2275 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 5.2675 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.140 inches minimum and 0.155 inches maximum
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 2
Special Features: 0.920 in. long wrenching flats on shank, cross section is 0.168 in. across flats by 0.187 in.
Material: steel comp 631 overall
Material Document And Classification: ams 5673 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 ty 1, ty 2 or ty 3 fed spec single treatment response overall
Thread Series Designator: unc

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
676-0839-001	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-377-6548?

The FSCG of the NSN 5305-01-377-6548 is 5305

Does the NSN 5305-01-377-6548 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-377-6548 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 5305-01-377-6548 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-377-6548 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 5305-01-377-6548 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Fri, Jul 23, 1993