MT7C524

View detailed technical data, stock status, and sourcing information for: MT7C524
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-043-1891

Item Name Code

05280

Assigment Date

06/21/1977 (49 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.130 inches minimum and 0.135 inches maximum mounting hole diameter, 3b thread class, dry film lubricant lubrication, prevailing torque all metal design locking feature, right-hand thread direction

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
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.130 inches minimum and 0.135 inches maximum
Nut Style: plate
Nut Length: 0.757 inches maximum
Nut Height: 0.328 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: 0.354 inches minimum and 0.364 inches maximum
Center To Center Distance Between Mounting Holes Along Width: 0.506 inches minimum and 0.510 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Material: iron alloy 660 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
MA 12720-054	Plate Self-Locking Nut
MS21074-5	Plate Self-Locking Nut
MT7C524	Plate Self-Locking Nut
RM300C5	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-043-1891?

The FSCG of the NSN 5310-01-043-1891 is 5310

Does the NSN 5310-01-043-1891 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-043-1891 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 5310-01-043-1891 contain precious materials?

Item contains silver.

Does NSN 5310-01-043-1891 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 5310-01-043-1891 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Tue, Jun 21, 1977