Repair Kit, Valve4820-01-616-7558

NSN 4820-01-616-7558 · NIIN 016167558 · Part number 0888527 3/4"

Watts Regulator Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79227

Government record, cited

NSN 4820-01-616-7558 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-616-7558. Manufacturer of record part number: 0888527 3/4".

Also searched as 4820-01-616-7558 · 4820016167558 · NIIN 016167558 · 01-616-7558 · FSC 4820 Valves, Nonpowered · CAGE 79227 · 0888527 3/4"

Nearby stock numbers ← 4820-01-616-7512 Parts Kit, Ball Valve · 4820-01-616-7628 Guide, Valve Stem. →

4820-01-616-7558 — Valves, Nonpowered

Features

Repair Kit,valve — FSC 4820
Component Quantity: 10
Supply Items and Quantities: 1ST CHECK ASSY, 2ND CHECK ASSY, COVER O-RING, RV SEAT, RV SEAT, RV SEAT O-RING, RV SPRING, RETAINER, LUBE
2 manufacturer part numbers on file
Manufacturer of record: Watts Regulator Company

Identification

NSN: 4820-01-616-7558
NIIN: 016167558
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0888527 3/4"
Manufacturer: Watts Regulator Company

General Description

The Repair Kit,valve, cataloged under National Stock Number 4820-01-616-7558, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-616-7558
Primary Part Number	0888527 3/4"
Item Name	Repair Kit,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Watts Regulator Company
Status	ACTIVE
Component Quantity	10
Supply Items and Quantities	1ST CHECK ASSY, 2ND CHECK ASSY, COVER O-RING, RV SEAT, RV SEAT, RV SEAT O-RING, RV SPRING, RETAINER, LUBE

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
0888527 3/4" PRIMARY	Watts Regulator Company (USA)
0888527 3/4"	Betz, William Jr., Inc. Dba Betz Plumbing & Heating Supplies (USA)

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 4820-01-616-7558?

NSN 4820-01-616-7558 is a Repair Kit,valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-616-7558?

NSN 4820-01-616-7558 has 2 manufacturer part numbers on file: 0888527 3/4" (Watts Regulator Company), 0888527 3/4" (Betz, William Jr., Inc. Dba Betz Plumbing & Heating Supplies).

What are the specifications of 0888527 3/4"?

Key specifications for 0888527 3/4": Component Quantity: 10; Supply Items and Quantities: 1ST CHECK ASSY, 2ND CHECK ASSY, COVER O-RING, RV SEAT, RV SEAT, RV SEAT O-RING, RV SPRING, RETAINER, LUBE; Part Name Assigned by Controlling Agency: 0888527-RK 009M3T 3/4; End Item Identification: VALVE,BACKFLO. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-616-7558 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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