ST3M777N1-12L3

View detailed technical data, stock status, and sourcing information for: ST3M777N1-12L3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-265-0825

Item Name Code

01864

Assigment Date

10/09/1987 (38 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.442 inches minimum nut counterbore diameter, 3b thread class, right-hand thread direction, dry film lubricant lubrication, 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: 0.442 inches minimum nut
Lubrication: dry film lubricant
Overall Length: 71.750 inches nominal
Overall Width: 0.900 inches maximum
Nut Style: gang channel, self locking
Channel Style: straight type
Assembly Overall Height: 0.477 inches maximum
Channel Height: 0.400 inches maximum
Nut Spacing: 1.500 inches nominal
Nut Counterbore Depth: 0.125 inches nominal nut
Nut Quantity: 3
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Material: aluminum channel
Material: iron alloy 660 nut
Surface Treatment: anodize channel
Surface Treatment Document And Classification: mil-a-8625 assn std single treatment response channel

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
ST3M777N1-12L3	Gang C Self-Locking Nut Assembly

FAQs

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

What is the FSCG of the NSN 5310-01-265-0825?

The FSCG of the NSN 5310-01-265-0825 is 5310

Does NSN 5310-01-265-0825 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 5310-01-265-0825 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-265-0825 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 5310-01-265-0825 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Oct 9, 1987