PartsTable TECHNICAL DATA SHEET

NSN 4820-01-423-8766Government record, cited

Parts Kit, Valve4820-01-423-8766

NSN 4820-01-423-8766 · NIIN 014238766 · Part number RK34-975XLR

Zurn Industries Inc Wilkins Regulator Co Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28353

Government record, cited

NSN 4820-01-423-8766 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-423-8766. Manufacturer of record part number: RK34-975XLR.

Also searched as 4820-01-423-8766 · 4820014238766 · NIIN 014238766 · 01-423-8766 · FSC 4820 Valves, Nonpowered · CAGE 28353 · RK34-975XLR · RK34-975LR

Nearby stock numbers ← 4820-01-423-8765 Valve, Butterfly · 4820-01-423-8767 Valve, Globe →

4820-01-423-8766 — Valves, Nonpowered

Features

Parts Kit,valve — FSC 4820
Component Quantity: 7
End Item Source: 28353
End Item Name: 3/4 IN. BACKFLOW PREVENTER IN
Nonsupply Items and Quantities: SEAL RINGS 3;DIAPHRAGM 1;O-RINGS 3
1 manufacturer part number on file
Manufacturer of record: Zurn Industries Inc Wilkins Regulator Co Div

Identification

NSN: 4820-01-423-8766
NIIN: 014238766
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RK34-975XLR
Manufacturer: Zurn Industries Inc Wilkins Regulator Co Div

General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-01-423-8766, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Zurn Industries Inc Wilkins Regulator Co Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-423-8766
Primary Part Number	RK34-975XLR
Item Name	Parts Kit,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Zurn Industries Inc Wilkins Regulator Co Div
Status	ACTIVE
Component Quantity	7
End Item Source	28353
End Item Name	3/4 IN. BACKFLOW PREVENTER IN
Nonsupply Items and Quantities	SEAL RINGS 3;DIAPHRAGM 1;O-RINGS 3

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

Part Number	Manufacturer
RK34-975XLR PRIMARY	Zurn Industries Inc Wilkins Regulator Co Div (USA)

Reference documents

Reference	Meaning
RK34-975LR	C/1 Advisory reference — outside the item-of-supply concept Zurn Industries Inc Wilkins Regulator Co Div

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 4820-01-423-8766?

NSN 4820-01-423-8766 is a Parts Kit,valve, manufactured by Zurn Industries Inc Wilkins Regulator Co Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-423-8766?

NSN 4820-01-423-8766 has 1 manufacturer part number on file: RK34-975XLR (Zurn Industries Inc Wilkins Regulator Co Div).

What are the specifications of RK34-975XLR?

Key specifications for RK34-975XLR: Component Quantity: 7; End Item Source: 28353; End Item Name: 3/4 IN. BACKFLOW PREVENTER IN; Nonsupply Items and Quantities: SEAL RINGS 3;DIAPHRAGM 1;O-RINGS 3. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-423-8766 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.

PartsTable Design LLC · partstable.com