Parts Kit, Diaphragm Replacement4820-01-435-5909

NSN 4820-01-435-5909 · NIIN 014355909

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-435-5909 · 4820014355909 · NIIN 014355909 · 01-435-5909 · FSC 4820 Valves, Nonpowered · 25-94B BULLENTIN PC 8,9,11 · 200911

Nearby stock numbers ← 4820-01-435-5908 Parts Kit, Valve · 4820-01-435-5942 Disk, Valve →

4820-01-435-5909 — Valves, Nonpowered

Features

Parts Kit,diaphragm Replacement — FSC 4820
Component Quantity: 3
End Item Source: 91051
Model Number: A8A;A81;A82
Component Document Origin: INDUSTRIAL
End Item Name: PRESSURE REGULATOR VALVE
Nonsupply Items and Quantities: DIAPHRAGM FOLLOWER 1; 0-RING DIAPHRAGM FOLLOWER 1;
Document Source: 91051

Identification

NSN: 4820-01-435-5909
NIIN: 014355909
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Parts Kit,diaphragm Replacement, cataloged under National Stock Number 4820-01-435-5909, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-435-5909
Item Name	Parts Kit,diaphragm Replacement
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Component Quantity	3
End Item Source	91051
Model Number	A8A;A81;A82
Component Document Origin	INDUSTRIAL
End Item Name	PRESSURE REGULATOR VALVE
Nonsupply Items and Quantities	DIAPHRAGM FOLLOWER 1; 0-RING DIAPHRAGM FOLLOWER 1;
Document Source	91051

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
25-94B BULLENTIN PC 8,9,11	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
200911	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-435-5909?

NSN 4820-01-435-5909 is a Parts Kit,diaphragm Replacement, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-435-5909?

Key specifications for 4820-01-435-5909: Component Quantity: 3; End Item Source: 91051; Model Number: A8A;A81;A82; Component Document Origin: INDUSTRIAL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-435-5909 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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