MS20145C04

View detailed technical data, stock status, and sourcing information for: MS20145C04
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-982-4988

Item Name Code

05277

Assigment Date

01/01/1962 (64 years ago)

dry film lubricant lubrication, 3b thread class, right-hand thread direction, 0.253 inches minimum and 0.293 inches maximum nut counterbore diameter, 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
Counterbore Diameter: 0.253 inches minimum and 0.293 inches maximum nut
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.240 inches minimum and 0.328 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel corrosion resisting overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-188-1913	No Name Available	06/01/1976
5310-00-497-3898	No Name Available	01/01/1960
5310-00-596-5827	No Name Available	09/01/1986

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
13207E8525FN5	Hexagon Self-Locking Nut
204960	Hexagon Self-Locking Nut
5310PL0929202	Hexagon Self-Locking Nut
58FH-428	Hexagon Self-Locking Nut
6708835	Hexagon Self-Locking Nut
79HE048	Hexagon Self-Locking Nut
H57-4	Hexagon Self-Locking Nut
MS20145C04	Hexagon Self-Locking Nut
MS21045-C4	Hexagon Self-Locking Nut
MS21045C4	Hexagon Self-Locking Nut
SM1813-048	Hexagon Self-Locking Nut
SMLH1813-048	Hexagon Self-Locking Nut
YE3220	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-982-4988?

The FSCG of the NSN 5310-00-982-4988 is 5310

Does the NSN 5310-00-982-4988 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-982-4988 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 5310-00-982-4988 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-982-4988 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 5310-00-982-4988 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962