FN812-428

View detailed technical data, stock status, and sourcing information for: FN812-428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-844-4872

Item Name Code

29730

Assigment Date

01/01/1962 (64 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

3b thread class, prevailing torque all metal design locking feature, soluble lubricant lubrication, right-hand thread direction, 0.420 inches maximum washer outside 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: 0.420 inches maximum
Lubrication: soluble lubricant
Overall Height: 0.204 inches minimum and 0.219 inches maximum
Nut Style: hexagon
Washer Thickness: 0.019 inches minimum
End Item Identification: armored multi-purpose vehicle (ampv)
Width Across Flats: 0.304 inches minimum and 0.316 inches maximum
Temp Rating: 800.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Criticality Code Justification: feat
Special Features: flight safety critical aircraft part
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5735 assn std single material response overall
Precious Material And Location: external surface silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: qq-s-365 fed spec single treatment response or ams 2410 assn std 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-184-0406	No Name Available	07/01/2001
5310-00-256-6326	No Name Available	11/01/1994
5310-00-685-2547	No Name Available	06/01/1976
5310-00-716-8534	No Name Available	03/17/1972
5310-01-025-0532	No Name Available	09/04/1991
5310-01-327-3384	No Name Available	01/01/1998
5310-01-395-1388	No Name Available	06/01/1997

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
10121787	Extended Washer Self-Locking Nut
2638719	Extended Washer Self-Locking Nut
268719	Extended Washer Self-Locking Nut
36A224639P1	Extended Washer Self-Locking Nut
525-595-9006	Extended Washer Self-Locking Nut
5310PL1660462	Extended Washer Self-Locking Nut
645403-4	Extended Washer Self-Locking Nut
6818682-832	Extended Washer Self-Locking Nut
938.07.68.405	Extended Washer Self-Locking Nut
BH00204-4	Extended Washer Self-Locking Nut
FN1014-428	Extended Washer Self-Locking Nut
FN812-428	Extended Washer Self-Locking Nut
H41-4	Extended Washer Self-Locking Nut
MS21043-4	Extended Washer Self-Locking Nut
NAS67904	Extended Washer Self-Locking Nut
NASM21043-4	Extended Washer Self-Locking Nut
T6C428	Extended Washer Self-Locking Nut
T99C428	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-844-4872?

The FSCG of the NSN 5310-00-844-4872 is 5310

Does the NSN 5310-00-844-4872 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-844-4872 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 5310-00-844-4872 contain precious materials?

Item contains silver.

Does NSN 5310-00-844-4872 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 5310-00-844-4872 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962