MS21295-40

View detailed technical data, stock status, and sourcing information for: MS21295-40
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MS21295-40 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-993-8849

Item Name Code

16282

Assigment Date

01/01/1962 (64 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.

0.685 inches minimum and 0.715 inches maximum thread length, right-hand thread direction, flat chamfer head style, 3a thread class, 0.735 inches minimum and 0.765 inches maximum 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: 0.685 inches minimum and 0.715 inches maximum
Fastener Length: 0.735 inches minimum and 0.765 inches maximum
Head Style: flat chamfer
Head Diameter: 0.176 inches minimum and 0.183 inches maximum
Head Height: 0.108 inches minimum and 0.112 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.094 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Material: steel corrosion resisting overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-s-35 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
1486137-31	Socket Head Cap Screw
LK21295-40	Socket Head Cap Screw
MS21295-40	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-993-8849?

The FSCG of the NSN 5305-00-993-8849 is 5305

Does the NSN 5305-00-993-8849 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-993-8849 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 5305-00-993-8849 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-993-8849 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 5305-00-993-8849 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962