H52889-4C

View detailed technical data, stock status, and sourcing information for: H52889-4C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-348-3572

Item Name Code

29730

Assigment Date

11/08/1991 (34 years ago)

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.

3b thread class, 0.585 inches minimum and 0.595 inches maximum washer outside diameter, right-hand thread direction, prevailing torque all metal design locking feature, 0.250 inches minimum and 0.254 inches maximum first end counterbore diameter

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: 0.585 inches minimum and 0.595 inches maximum
Counterbore Diameter: 0.250 inches minimum and 0.254 inches maximum first end
Lubrication: dry film lubricant
Overall Height: 0.290 inches minimum and 0.300 inches maximum
Nut Style: hexagon
Washer Thickness: 0.045 inches minimum and 0.065 inches maximum
Nut Counterbore Depth: 0.291 inches minimum and 0.296 inches maximum first end
Width Across Flats: 0.305 inches minimum and 0.316 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Special Features: shank extending from washer end; length .218max,.214min; diameter .375 max,.371min
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
03A267-4CL	Extended Washer Self-Locking Nut
83958-428C	Extended Washer Self-Locking Nut
H52889-4C	Extended Washer Self-Locking Nut
VN2821DH048-4	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-348-3572?

The FSCG of the NSN 5310-01-348-3572 is 5310

Does the NSN 5310-01-348-3572 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-348-3572 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 5310-01-348-3572 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-348-3572 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 5310-01-348-3572 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Nov 8, 1991