5305-01-662-4027

Find complete technical information, availability, and procurement data for: 5305-01-662-4027
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-662-4027

Item Name Code

06657

Assigment Date

04/05/2017 (9 years ago)

A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use disk, solid, plain. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see spacer, sleeve. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see shim. For items with one hole centrally located conforming to the above dimensional criteria use washer, flat or spacer, ring as applicable. When thickness and/or outside_diameter_or_smallest_overall_outside_dimension_is_designated_as_a_tolerance/dimension_the_maximum_dimension_will_be_used_to_determine_compliance._excludes:gasket;_insulator_(as_modified)_and_mounting_pad,_electrical-electronic_component.____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

right-hand thread direction, flat countersunk head style, 3a thread class, 1.8750 inches nominal fastener length, 0.5000 inches nominal 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: 0.5000 inches nominal
Fastener Length: 1.8750 inches nominal
Head Style: flat countersunk
Head Diameter: 0.2700 inches minimum
Head Height: 0.0680 inches nominal
Internal Drive Style: offset cruciform ribbed
Nominal Thread Diameter: 0.1640 inches
Document Type: civil standard
Thread Quantity Per Inch: 32.0000
Countersink Angle: 99.0000 degrees minimum and 101.0000 degrees maximum
Part Name Assigned By Controlling Agency: screw, machine flat 100 deg head full thread
Screw Material: titanium alloy uns r56400
Screw Material Document And Classification: ams4967 assn std single material response
Screw Surface Treatment: aluminum
Screw Surface Treatment Document And Classification: nas4006 assn std single treatment response
Thread Series Designator: unjc

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
NAS1102V08-11A	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-662-4027?

The FSCG of the NSN 5305-01-662-4027 is 5305

Does the NSN 5305-01-662-4027 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-662-4027 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 5305-01-662-4027 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-662-4027 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 5305-01-662-4027 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, Apr 5, 2017