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4820-00-331-9974

Flat Valve Diaphragm

Find complete technical information, availability, and procurement data for NSN 4820-00-331-9974 All details are based on official government and industry records to support accurate and compliant procurement.

4820-00-331-9974
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-331-9974
Item Name Code
60396
Assigment Date
01/01/1961 (65 years ago)

An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes:diaphragm, valve, special shaped and gasket.

4.600 inches nominal outside diameter, 0.550 inches nominal center hole diameter, 0.365 inches nominal hole diameter, 0.500 inches nominal material thickness, 4.000 inches nominal bolt circle diameter

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Hole Diameter
0.365 inches nominal
Outside Diameter
4.600 inches nominal
Bolt Circle Diameter
4.000 inches nominal
Material Thickness
0.500 inches nominal
Center Hole Diameter
0.550 inches nominal
Bolt Hole Quantity
6
Material
rubber chloroprene class cr and rubber synthetic
Style Designator
flat

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 4820-00-331-9974

NSN Name Date
4940-00-357-0397 No Name Available 03/01/1976
4940-00-430-9780 No Name Available 02/01/1979

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
1175PC29 Flat Valve Diaphragm
1179PC29 Flat Valve Diaphragm
AT67S5103-395642PC29 Flat Valve Diaphragm
AT67S5103-395648PC29 Flat Valve Diaphragm
AT96S5100-395691PC29 Flat Valve Diaphragm
AT96S5100-395697PC7 Flat Valve Diaphragm
E1280PC29 Flat Valve Diaphragm
E1286PC29 Flat Valve Diaphragm
E2363PC6 Flat Valve Diaphragm
E2369PC3 Flat Valve Diaphragm
E2385PC29 Flat Valve Diaphragm
E2391PC7 Flat Valve Diaphragm
JL5248 Flat Valve Diaphragm
K1579 Flat Valve Diaphragm
L467-1 Flat Valve Diaphragm
S5100-403789PC29 Flat Valve Diaphragm
S5100-403793PC29 Flat Valve Diaphragm
S5600-453966PC6 Flat Valve Diaphragm
S5600-453972PC3 Flat Valve Diaphragm

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Source of Supply
S9C - Defense supply center columbus, ohio 43215
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A540D0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0060396
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
8481909090

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
051080
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
29300
National Motor Freight Class Rating
W - Rating variable
Water Commodity
576 - Metal and metal products, nos, (less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
faucets,bibcocks,gates valves

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 4820-00-331-9974

What is the FSCG of the NSN 4820-00-331-9974?
The FSCG of the NSN 4820-00-331-9974 is 4820
Does the NSN 4820-00-331-9974 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-331-9974 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 4820-00-331-9974 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-331-9974 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 4820-00-331-9974 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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