5305-00-007-3261

Find complete technical information, availability, and procurement data for: 5305-00-007-3261
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-007-3261

Item Name Code

16282

Assigment Date

06/30/1972 (54 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.

3a thread class, round extended washer head style, 0.3594 inches minimum and 0.4530 inches maximum thread length, 0.5938 inches minimum and 0.6562 inches maximum fastener length, right-hand thread direction

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: 0.3594 inches minimum and 0.4530 inches maximum
Fastener Length: 0.5938 inches minimum and 0.6562 inches maximum
Head Style: round extended washer
Head Diameter: 0.365 inches minimum and 0.385 inches maximum
Head Height: 0.089 inches minimum and 0.099 inches maximum
Extended Washer Diameter: 0.427 inches minimum and 0.447 inches maximum
Extended Washer Thickness: 0.025 inches minimum and 0.030 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Material: steel comp 4037 or steel comp 8630 overall
Material Document And Classification: mil-s-8695 mil spec 1st material response or mil-s-6050 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate or zinc overall
Surface Treatment Document And Classification: qq-p-416 ty2 fed spec 1st treatment response or astm b633 assn std 2nd treatment response overall
Thread Series Designator: unf

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
GS550E3S10	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-007-3261?

The FSCG of the NSN 5305-00-007-3261 is 5305

Does the NSN 5305-00-007-3261 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-007-3261 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 5305-00-007-3261 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-007-3261 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 5305-00-007-3261 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jun 30, 1972