2552-144

View detailed technical data, stock status, and sourcing information for: 2552-144
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-659-0286

Item Name Code

15891

Assigment Date

01/01/1963 (63 years ago)

0.907 inches minimum and 0.917 inches maximum nut counterbore diameter, right-hand thread direction, 3b thread class, prevailing torque with nonmetallic insert locking feature, floating self-locking barrel nut style

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 with nonmetallic insert
Counterbore Diameter: 0.907 inches minimum and 0.917 inches maximum nut
Nut Style: floating self-locking barrel
Nut Diameter: 1.5554 inches minimum and 1.5584 inches maximum
Nut Length: 2.000 inches nominal
Barrel Height: 0.817 inches minimum and 0.837 inches maximum
Nut Height: 1.364 inches minimum and 1.384 inches maximum
Nut Counterbore Depth: 0.506 inches minimum and 0.526 inches maximum nut
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Features Provided: floating nut
Thread Quantity Per Inch: 14
Hardness Rating: 29.0 rockwell c minimum and 35.0 rockwell c maximum
Nominal Thread Size: 0.875 inches
Material: plastic polyhexamethylene amide or plastic polycaprolactam locking insert
Material: steel comp 4130 nut
Material Document And Classification: mil-m-20693 mil spec all material responses locking insert
Material Document And Classification: sae assn std single material response nut
Surface Treatment: cadmium nut
Surface Treatment Document And Classification: qq-p-416,type 1,class 3 fed spec single treatment response nut

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
2552-144	Barrel Self-Locking Nut
SL4090-14	Barrel Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-659-0286?

The FSCG of the NSN 5310-00-659-0286 is 5310

Does the NSN 5310-00-659-0286 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-659-0286 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 5310-00-659-0286 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-659-0286 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 5310-00-659-0286 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963