NSN 4820-00-340-0407 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-340-0407. Manufacturer of record part number: HC5498.
Also searched as4820-00-340-0407 ·
4820003400407 ·
NIIN 003400407 ·
00-340-0407 ·
FSC 4820 Valves, Nonpowered · CAGE 00724 · HC5498
General Characteristics Item Description: STEEL,/.905 IN LG,0.8715 TO 0.8720 IN O/A OD,12 HOLES EQUALLY SPACEDAT 29 TO 31 DEG ANGLE 0.0937 IN HOLE DIA,GROOVED FOR O RING PACKING IN
1 manufacturer part number on file
Manufacturer of record: Raytheon Company
Identification
NSN: 4820-00-340-0407
NIIN: 003400407
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: HC5498
Manufacturer: Raytheon Company
General Description
The Piston,valve,regulator, cataloged under National Stock Number 4820-00-340-0407, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Raytheon Company. Government technical data includes 2 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-340-0407
Primary Part Number
HC5498
Item Name
Piston,valve,regulator
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Raytheon Company
Status
ACTIVE
FSC Application Data
VALVE,REGULATING,FLUID PRESSURE
General Characteristics Item Description
STEEL,/.905 IN LG,0.8715 TO 0.8720 IN O/A OD,12 HOLES EQUALLY SPACEDAT 29 TO 31 DEG ANGLE 0.0937 IN HOLE DIA,GROOVED FOR O RING PACKING IN
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 4820-00-340-0407?
NSN 4820-00-340-0407 is a Piston,valve,regulator, manufactured by Raytheon Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-340-0407?
NSN 4820-00-340-0407 has 1 manufacturer part number on file: HC5498 (Raytheon Company).
What are the specifications of HC5498?
Key specifications for HC5498: FSC Application Data: VALVE,REGULATING,FLUID PRESSURE; General Characteristics Item Description: STEEL,/.905 IN LG,0.8715 TO 0.8720 IN O/A OD,12 HOLES EQUALLY SPACEDAT 29 TO 31 DEG ANGLE 0.0937 IN HOLE DIA,GROOVED FOR O RING PACKING IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-340-0407 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.