PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

19039Diaphram

Name: 19039
SKU: 4820-01-121-5750

Elbitamerica, Inc. · NSN 4820-01-121-5750 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-01-121-5750 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-5750. Primary manufacturer part number: 19039.

4820-01-121-5750 — No Item Name Available illustration

Features

Diaphram — FSC 4820
General Characteristics Item Description: BELLOFRAM FABRIC B DACRON AND BELLOFRAM ELASTOMETER FLUORO-SILICONE,3/16 INCHES DIAMETER 15 HOLES EQUALLY SPACED ON A 6.562 DIAMETER CIRCLE,2 LAYERS OF FABRIC AT A 45 DEGREE ANGLE OVER ENTIRE SURFACE,CIRCLE DIAMETER 7.000 PLUS AND MINUS 0.035 INCHES IN
1 verified cross-reference
Primary manufacturer: Elbitamerica, Inc.

Applications

Flow control in piping systems
Water treatment infrastructure
Industrial process control

General Description

The Diaphram, cataloged under National Stock Number 4820-01-121-5750, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Elbitamerica, Inc.. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-121-5750
Primary Part Number	19039
Item Name	Diaphram
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Elbitamerica, Inc.
Status	ACTIVE
General Characteristics Item Description	BELLOFRAM FABRIC B DACRON AND BELLOFRAM ELASTOMETER FLUORO-SILICONE,3/16 INCHES DIAMETER 15 HOLES EQUALLY SPACED ON A 6.562 DIAMETER CIRCLE,2 LAYERS OF FABRIC AT A 45 DEGREE ANGLE OVER ENTIRE SURFACE,CIRCLE DIAMETER 7.000 PLUS AND MINUS 0.035 INCHES IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 4

5360-00-200-489019039 INTERCHANGEABLE

Spring,helical,compression

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division

1560-00-773-2397 INTERCHANGEABLE

Bracket Assembly

5961-00-912-90082N3638A INTERCHANGEABLE

Transistor

Central Semiconductor, Llc Dba Central Semiconductor Corp

4931-01-143-3190190-39 INTERCHANGEABLE

Switching Board

Spectrum Control Inc Div Weinschel

Cross-Reference Index

Part Number	Manufacturer
19039 PRIMARY	Elbitamerica, Inc. (USA)

Related Parts

5360-00-200-4890INTERCHANGEABLE

SPRING,HELICAL,COMPRESSION

19039

1560-00-773-2397INTERCHANGEABLE

BRACKET ASSEMBLY

5961-00-912-9008INTERCHANGEABLE

TRANSISTOR

2N3638A

4931-01-143-3190INTERCHANGEABLE

SWITCHING BOARD

190-39

Frequently Asked Questions

What is NSN 4820-01-121-5750?

NSN 4820-01-121-5750 is a Diaphram, manufactured by Elbitamerica, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-121-5750?

NSN 4820-01-121-5750 has 1 cross-referenced part number: 19039 (Elbitamerica, Inc.).

What NSN replaces 4820-01-121-5750?

There are 4 known substitutes for 4820-01-121-5750: 5360-00-200-4890, 1560-00-773-2397, 5961-00-912-9008 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19039?

Key specifications for 19039: General Characteristics Item Description: BELLOFRAM FABRIC B DACRON AND BELLOFRAM ELASTOMETER FLUORO-SILICONE,3/16 INCHES DIAMETER 15 HOLES EQUALLY SPACED ON A 6.562 DIAMETER CIRCLE,2 LAYERS OF FABRIC AT A 45 DEGREE ANGLE OVER ENTIRE SURFACE,CIRCLE DIAMETER 7.000 PLUS AND MINUS 0.035 INCHES IN. 1 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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