NS202881-3

View detailed technical data, stock status, and sourcing information for: NS202881-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-341-8946

Item Name Code

05277

Assigment Date

07/11/1991 (35 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

prevailing torque all metal design locking feature, hexagon nut style, dry film lubricant lubrication, 3b thread class, right-hand thread direction

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
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.190 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Bearing Surface Type: flat
Part Name Assigned By Controlling Agency: navy special project
Special Features: kalgard fa,dry film lubricant
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 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
BACN10JC3CF	Hexagon Self-Locking Nut
BRH10C3CF	Hexagon Self-Locking Nut
H52878-3	Hexagon Self-Locking Nut
HS2878-3	Hexagon Self-Locking Nut
NS202881-3	Hexagon Self-Locking Nut
VN303DH02	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-341-8946?

The FSCG of the NSN 5310-01-341-8946 is 5310

Does the NSN 5310-01-341-8946 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-341-8946 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 5310-01-341-8946 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-341-8946 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 5310-01-341-8946 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Jul 11, 1991