NSN 4820-01-555-5148 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-555-5148. Manufacturer of record part number: 65655-65.
Manufacturer of record: Thermal Transfer Products Ltd
Identification
NSN: 4820-01-555-5148
NIIN: 015555148
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 65655-65
Manufacturer: Thermal Transfer Products Ltd
General Description
The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-555-5148, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Thermal Transfer Products Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4820-01-555-5148?
NSN 4820-01-555-5148 is a Valve,regulating,system Pressure, manufactured by Thermal Transfer Products Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-555-5148?
NSN 4820-01-555-5148 has 2 manufacturer part numbers on file: 2319A000 PL ITEM 61 (Supreme Integrated Technology, Inc. Dba C.s. Controls), 65655-65 (Thermal Transfer Products Ltd).
What are the specifications of 65655-65?
Key specifications for 65655-65: Part Name Assigned by Controlling Agency: THERMAL BYPASS VALVE; End Item Identification: NEW CONSTRUCTION LHD8, HYDRAULIC POWER UNIT ASSEMBLY 2319A000 (0BJ09). 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-555-5148 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.