5305-01-663-9627

Find complete technical information, availability, and procurement data for: 5305-01-663-9627
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-663-9627

Item Name Code

29294

Assigment Date

05/31/2017 (9 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

3a thread class, 0.403 inches nominal thread length, flat countersunk head style, right-hand thread direction, 0.778 inches nominal fastener 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: 0.403 inches nominal
Fastener Length: 0.778 inches nominal
Head Style: flat countersunk
Head Diameter: 0.4640 inches minimum and 0.5066 inches maximum
Grip Diameter: 0.2797 inches minimum and 0.2807 inches maximum
Internal Drive Style: high-torque
End Item Identification: b-52 aircraft
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.375 inches nominal
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt, shear, 100 degree flush head
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response or ams 5853 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type ii, class 2 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
NAS1580C4H6PY	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-663-9627?

The FSCG of the NSN 5305-01-663-9627 is 5305

Does the NSN 5305-01-663-9627 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-663-9627 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 5305-01-663-9627 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-663-9627 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 5305-01-663-9627 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Wed, May 31, 2017