5310-00-778-9278

Find complete technical information, availability, and procurement data for: 5310-00-778-9278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-778-9278

Item Name Code

05280

Assigment Date

01/01/1960 (66 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, dry film lubricant lubrication, 3b thread class, 0.194 inches minimum nut counterbore diameter, 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
Counterbore Diameter: 0.194 inches minimum nut
Lubrication: dry film lubricant
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 0.653 inches maximum
Nut Height: 0.250 inches maximum
Plate Thickness: 0.047 inches maximum
Nut Counterbore Depth: 0.062 inches minimum nut
Nut Mounting Provision: countersunk holes
Mounting Provision Location: opposite nut projection side
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.339 inches minimum and 0.349 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.190 inches
Mounting Hole Countersink Angle: 98.0 degrees minimum and 102.0 degrees maximum
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec 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
12620-02BC	Plate Self-Locking Nut
12LHA5-02BC	Plate Self-Locking Nut
5310PL0150411	Plate Self-Locking Nut
K3000-3BC	Plate Self-Locking Nut
MS21055L3K	Plate Self-Locking Nut
NAS684A35	Plate Self-Locking Nut
R3000A3K	Plate Self-Locking Nut
RM52LHTA55-02BC	Plate Self-Locking Nut
T7S1032BC	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-778-9278?

The FSCG of the NSN 5310-00-778-9278 is 5310

Does the NSN 5310-00-778-9278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-778-9278 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 5310-00-778-9278 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-778-9278 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 5310-00-778-9278 was assigned to the Federal Catalog?

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