K1031-7

View detailed technical data, stock status, and sourcing information for: K1031-7
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 K1031-7 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

5310-00-772-3706

Item Name Code

05280

Assigment Date

01/01/1960 (66 years ago)

3b thread class, right-hand thread direction, 0.442 inches minimum nut counterbore diameter, prevailing torque all metal design locking feature, 0.161 inches minimum and 0.166 inches maximum mounting hole diameter

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
Counterbore Diameter: 0.442 inches minimum nut
Mounting Hole Diameter: 0.161 inches minimum and 0.166 inches maximum
Nut Style: plate
Nut Length: 1.477 inches maximum
Nut Height: 0.390 inches maximum
Plate Thickness: 0.085 inches maximum
Plate Width: 0.695 inches minimum and 0.726 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.557 inches minimum and 0.567 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 1.125 inches nominal
Temp Rating: 800.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.438 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: all surfaces 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
K1001-7	Plate Self-Locking Nut
K1031-7	Plate Self-Locking Nut
MS21048-7	Plate Self-Locking Nut
NAS680C7	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-772-3706?

The FSCG of the NSN 5310-00-772-3706 is 5310

Does the NSN 5310-00-772-3706 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-772-3706 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 5310-00-772-3706 contain precious materials?

Item contains silver.

Does NSN 5310-00-772-3706 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 5310-00-772-3706 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960