ZL3155-5-048

View detailed technical data, stock status, and sourcing information for: ZL3155-5-048
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-832-8289

Item Name Code

15895

Assigment Date

03/17/1967 (59 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.

round nut style, 0.264 inches minimum and 0.269 inches maximum nut counterbore diameter, 3b thread class, right-hand thread direction, 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: 0.264 inches minimum and 0.269 inches maximum nut
Nut Style: round
Nut Diameter: 0.620 inches nominal
Nut Thickness: 0.468 inches minimum and 0.495 inches maximum
Nut Counterbore Depth: 0.072 inches minimum and 0.084 inches maximum nut
Width Across Flats: 0.445 inches minimum and 0.455 inches maximum
Temp Rating: 1200.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 28.0 rockwell c minimum and 39.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Special Features: 0.072 in. min,0.084 in. max shoulder opposite locking portion
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response or ams 5736 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: external surfaces silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2411 assn std 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
1-300-086	Round Self-Locking Nut
1-300-086-01	Round Self-Locking Nut
K39253-4-5	Round Self-Locking Nut
ZL3155-5-048	Round Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-832-8289?

The FSCG of the NSN 5310-00-832-8289 is 5310

Does the NSN 5310-00-832-8289 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-832-8289 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 5310-00-832-8289 contain precious materials?

Item contains silver.

Does NSN 5310-00-832-8289 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 5310-00-832-8289 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Mar 17, 1967