035-16231

View detailed technical data, stock status, and sourcing information for: 035-16231
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-253-4637

Item Name Code

22113

Assigment Date

04/18/1987 (39 years ago)

A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see head, valve. Excludes:cap, pneumatic valve.

0.594 inches nominal under flange height, 0.672 inches nominal flange diameter, 0.094 inches nominal flange seat to disk end height, 3a single threaded portion thread class, 0.344 inches nominal single threaded portion thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a single threaded portion
Thread Length: 0.344 inches nominal single threaded portion
Flange Diameter: 0.672 inches nominal
Flange Seat To Disk End Height: 0.094 inches nominal
Under Flange Height: 0.594 inches nominal
Hardness Rating: 40.0 rockwell c minimum and 45.0 rockwell c maximum overall
Nominal Thread Size: 0.500 inches single threaded portion
Seating Surface Shape: flat
Body Stepped Inside Diameter: 0.201 inches nominal third step
Body Stepped Inside Diameter: 0.313 inches nominal first step
Body Stepped Inside Diameter: 0.316 inches nominal second step
Special Features: 0.375 in. across flats,0.156 in. lg hex wrenching feature flange end; four 0.062 in. dia holes 90 deg apart drilled thru body perpendicular to bore between thd portion and flange
Material: steel comp 4140 overall
Style Designator: threaded flanged
Thread Series Designator: unf single threaded portion

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
035-16231	Valve Seat
35-16231	Valve Seat
35-16231Z	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-253-4637?

The FSCG of the NSN 4820-01-253-4637 is 4820

Does the NSN 4820-01-253-4637 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-253-4637 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 4820-01-253-4637 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-253-4637 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 4820-01-253-4637 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, Apr 18, 1987