MS14145L7

View detailed technical data, stock status, and sourcing information for: MS14145L7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-059-7517

Item Name Code

29730

Assigment Date

04/15/1978 (48 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

0.645 inches maximum washer outside diameter, dry film lubricant lubrication, right-hand thread direction, prevailing torque all metal design locking feature, 3b thread class

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
Washer Outside Diameter: 0.645 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.204 inches minimum and 0.234 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.025 inches nominal
Width Across Flats: 0.492 inches minimum and 0.504 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-036-6944	No Name Available	07/01/1991

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
5310PL0651136	Extended Washer Self-Locking Nut
78783M-720	Extended Washer Self-Locking Nut
MS14145L7	Extended Washer Self-Locking Nut
RMTE9868-7	Extended Washer Self-Locking Nut
THCR-357M	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-059-7517?

The FSCG of the NSN 5310-01-059-7517 is 5310

Does the NSN 5310-01-059-7517 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-059-7517 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 5310-01-059-7517 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-059-7517 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 5310-01-059-7517 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Apr 15, 1978