5310-01-421-1977

Find complete technical information, availability, and procurement data for: 5310-01-421-1977
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 NSN 5310-01-421-1977 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-1977

Item Name Code

05280

Assigment Date

11/03/1995 (30 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.130 inches minimum and 0.135 inches maximum mounting hole diameter, right-hand thread direction, 0.422 inches maximum overall height, 3b thread class, prevailing torque all metal design locking feature

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Overall Height: 0.422 inches maximum
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 1.044 inches maximum
Nut Height: 0.422 inches maximum
Plate Thickness: 0.065 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.495 inches minimum and 0.505 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.312 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response overall
Precious Material And Location: allsurfaces silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall

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
MS21058-5	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-421-1977?

The FSCG of the NSN 5310-01-421-1977 is 5310

Does the NSN 5310-01-421-1977 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-421-1977 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 5310-01-421-1977 contain precious materials?

Item contains silver.

Does NSN 5310-01-421-1977 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 5310-01-421-1977 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Nov 3, 1995