NSN 4820-01-567-0052 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-567-0052. Manufacturer of record part number: 0886998.
Nearby stock numbers← 4820-01-567-0045 Parts Kit, Check Valve
·
4820-01-567-0110 Valve, Relief, Pressure and Temper →
4820-01-567-0052 — Valves, Nonpowered
Features
Parts Kit,safety Relief Valve — FSC 4820
Component Quantity: 6
End Item Source: 79227
Accessory Identifying Number: 0886998 PART NO.
Supply Items and Quantities: 1 DIAPHRAGM;1 DISK ASSEMBLY;2 STEM O-RINGS;1 SEAT O-RING;1 COVER O-RING
End Item Name: VALVE ASSEMBLY
Accessory Controlling Agency: 79227
2 manufacturer part numbers on file
Identification
NSN: 4820-01-567-0052
NIIN: 015670052
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 0886998
Manufacturer: Watts Regulator Company
General Description
The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-567-0052, 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 6 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
4820-01-567-0052
Primary Part Number
0886998
Item Name
Parts Kit,safety Relief Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Watts Regulator Company
Status
ACTIVE
Component Quantity
6
End Item Source
79227
Accessory Identifying Number
0886998 PART NO.
Supply Items and Quantities
1 DIAPHRAGM;1 DISK ASSEMBLY;2 STEM O-RINGS;1 SEAT O-RING;1 COVER O-RING
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 4820-01-567-0052?
NSN 4820-01-567-0052 is a Parts Kit,safety Relief Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-567-0052?
NSN 4820-01-567-0052 has 2 manufacturer part numbers on file: 0886998 (Watts Regulator Company), RK 009M2 RV 3/4" (Watts Regulator Company).
What are the specifications of 0886998?
Key specifications for 0886998: Component Quantity: 6; End Item Source: 79227; Accessory Identifying Number: 0886998 PART NO.; Supply Items and Quantities: 1 DIAPHRAGM;1 DISK ASSEMBLY;2 STEM O-RINGS;1 SEAT O-RING;1 COVER O-RING. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-567-0052 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.