PartsTable TECHNICAL DATA SHEET
NSN 4820-01-446-2098Government record, cited

Valve, Safety Relief4820-01-446-2098

NSN 4820-01-446-2098 · NIIN 014462098 · Part number 887174
Watts Regulator Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79227
Government record, cited
NSN 4820-01-446-2098 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-446-2098. Manufacturer of record part number: 887174.
Also searched as  4820-01-446-2098 · 4820014462098 · NIIN 014462098 · 01-446-2098 · FSC 4820 Valves, Nonpowered · CAGE 79227 · 887174 · 288A-1.50IN
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Watts Regulator Company
Identification
  • NSN: 4820-01-446-2098
  • NIIN: 014462098
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 887174
  • Manufacturer: Watts Regulator Company
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-446-2098, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-446-2098
Primary Part Number887174
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerWatts Regulator Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
288A-1.50IN Watts Regulator Company (USA)
887174 PRIMARY Watts Regulator Company (USA)
887174 Watts Industries /canada/ Inc (CAN)
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 4820-01-446-2098?

NSN 4820-01-446-2098 is a Valve,safety Relief, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-446-2098?

NSN 4820-01-446-2098 has 3 manufacturer part numbers on file: 288A-1.50IN (Watts Regulator Company), 887174 (Watts Regulator Company), 887174 (Watts Industries /canada/ Inc).

What are the specifications of 887174?

Key specifications for 887174: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-446-2098 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