Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nonpowered Valves /
  4. 4820-01-252-3868

4820-01-252-3868

Flat Valve Diaphragm

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

AE2460250G0351
4720-01-399-1830
Nonmetallic Hose Assembly
AE2460250G0460
4720-01-399-4247
Nonmetallic Hose Assembly
AE2460250G1620
4720-01-398-3404
Nonmetallic Hose Assembly
AE2460250G1800
4720-01-398-3409
Nonmetallic Hose Assembly
AE2460250K0192
4720-01-399-1831
Nonmetallic Hose Assembly
AE2460261G0250
4720-01-192-8139
Nonmetallic Hose Assembly
AE2460261G0256
4720-01-191-8836
Nonmetallic Hose Assembly
AE2460500E0120
4720-01-414-3328
Nonmetallic Hose Assembly

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Flat Valve Diaphragm
(NSN) National Stock Number
4820-01-252-3868
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
60396
(FIIG) Federal Item Identification Guide
A540D0
Date
04/01/1987 (39 years ago)

1.000 inches nominal center hole diameter, 0.125 inches nominal material thickness, 11.625 inches nominal outside diameter, 0.500 inches nominal hole diameter, 10.625 inches nominal bolt circle diameter

Specs & Compatibility

Hole Diameter

0.500 inches nominal

Outside Diameter

11.625 inches nominal

Bolt Circle Diameter

10.625 inches nominal

Material Thickness

0.125 inches nominal

Center Hole Diameter

1.000 inches nominal

Bolt Hole Quantity

12

Pressure Rating

250.0 pounds per square inch nominal

Material

rubber

Style Designator

flat

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0060396

Related Hardware Products

Part Number Description
218-155-79 Flat Valve Diaphragm
N-736 Flat Valve Diaphragm
N-736 PIECE 7 Flat Valve Diaphragm
NB31815579 Flat Valve Diaphragm

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-252-3868?
The FSCG of the NSN 4820-01-252-3868 is 4820
Does the NSN 4820-01-252-3868 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-252-3868 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 4820-01-252-3868 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-252-3868 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 4820-01-252-3868 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Apr 1, 1987