PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3807Diaphragm,valve,flat

Singer Valve Inc · NSN 4820-00-915-2627 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-915-2627 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-915-2627. Primary manufacturer part number: 3807.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR
  • Reference Number Differentiating Characteristics: NYLON INSERTED NEOPRENE
  • Outside Diameter: 4.090 INCHES NOMINAL IN
  • Material Thickness: 0.650 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Singer Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyamide Nylon and Rubber Chloroprene Class Cr construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-915-2627, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Singer Valve Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-915-2627
Primary Part Number3807
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSinger Valve Inc
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR
Reference Number Differentiating CharacteristicsNYLON INSERTED NEOPRENE
Outside Diameter4.090 INCHES NOMINAL IN
Material Thickness0.650 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-070-6923380-7 PL0677 INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
5330-00-399-26641205-6-7PC11 INTERCHANGEABLE
Seal,pump
King Engineering Corporation Dba King-Gage Systems
5360-00-468-91923807 INTERCHANGEABLE
Spring,helical,compression
Mine Safety Appliances Company
5905-00-889-0010 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-01-139-4410380-7 INTERCHANGEABLE
Valve,globe
Admiral Valve Llc Dba Cpv Manufacturing
5950-01-150-86493807 INTERCHANGEABLE
Transformer,audio Frequency
Coherent Communicatoins Systems Corp
3510-01-289-47783808450N INTERCHANGEABLE
Guide Tape,flatwork Ironer
Colmac Industries, Inc
5895-01-457-1718356-0397-502 INTERCHANGEABLE
Modulator,signal Generator
L3 Technologies, Inc. Div L3 Telemetry & Rf Products
5975-01-601-87863807 INTERCHANGEABLE
Box Connector,electrical
Heyco Inc Dba Heyco Products
4730-01-620-68103807 INTERCHANGEABLE
Coupling Half,quick Disconnect
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
3807 Singer Valve Inc (CAN)
Related Parts
4820-00-070-6923INTERCHANGEABLE
VALVE,GLOBE
380-7 PL0677
5330-00-399-2664INTERCHANGEABLE
SEAL,PUMP
1205-6-7PC11
5360-00-468-9192INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3807
5905-00-889-0010INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-01-139-4410INTERCHANGEABLE
VALVE,GLOBE
380-7
5950-01-150-8649INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3807
3510-01-289-4778INTERCHANGEABLE
GUIDE TAPE,FLATWORK IRONER
3808450N
5895-01-457-1718INTERCHANGEABLE
MODULATOR,SIGNAL GENERATOR
356-0397-502
5975-01-601-8786INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3807
4730-01-620-6810INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3807

Frequently Asked Questions

What is NSN 4820-00-915-2627?

NSN 4820-00-915-2627 is a Diaphragm,valve,flat, manufactured by Singer Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-915-2627?

NSN 4820-00-915-2627 has 1 cross-referenced part number: 3807 (Singer Valve Inc).

What NSN replaces 4820-00-915-2627?

There are 10 known substitutes for 4820-00-915-2627: 4820-00-070-6923, 5330-00-399-2664, 5360-00-468-9192 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3807?

Key specifications for 3807: Material: PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR; Reference Number Differentiating Characteristics: NYLON INSERTED NEOPRENE; Outside Diameter: 4.090 INCHES NOMINAL IN; Material Thickness: 0.650 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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