5310-00-997-2878

Find complete technical information, availability, and procurement data for: 5310-00-997-2878
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-997-2878

Item Name Code

05280

Assigment Date

04/15/1967 (59 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.)

3b thread class, plate nut style, right-hand thread direction, prevailing torque all metal design locking feature, 0.098 inches minimum and 0.103 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
Mounting Hole Diameter: 0.098 inches minimum and 0.103 inches maximum
Nut Style: plate
Nut Length: 1.008 inches minimum and 1.038 inches maximum
Nut Height: 0.313 inches minimum and 0.328 inches maximum
Plate Thickness: 0.055 inches minimum and 0.075 inches maximum
Plate Width: 0.444 inches minimum and 0.464 inches maximum
Nut Mounting Provision: straight holes
Mounting Hole Arrangement Style: 2 holes
Distance From Aperture Center To Mounting Hole Center: 0.329 inches minimum and 0.359 inches maximum
Center To Center Distance Between Mounting Holes Along Length: 0.310 inches minimum and 0.314 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 90.0 degrees nominal nut
Surface Treatment: cadmium 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
490143	Plate Self-Locking Nut
D52ZA6636-048	Plate Self-Locking Nut
NS203299	Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-997-2878?

The FSCG of the NSN 5310-00-997-2878 is 5310

Does the NSN 5310-00-997-2878 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-997-2878 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 5310-00-997-2878 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-997-2878 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 5310-00-997-2878 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, Apr 15, 1967