Valve, Safety Relief4820-01-631-8263

NSN 4820-01-631-8263 · NIIN 016318263 · Part number RPEC-LCN/AP-4000PSI

Sun Hydraulics Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 54035

Government record, cited

NSN 4820-01-631-8263 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-631-8263. Manufacturer of record part number: RPEC-LCN/AP-4000PSI.

Also searched as 4820-01-631-8263 · 4820016318263 · NIIN 016318263 · 01-631-8263 · FSC 4820 Valves, Nonpowered · CAGE 54035 · RPEC-LCN/AP-4000PSI · CE-078811

Nearby stock numbers ← 4820-01-631-8256 Vent, Air Eliminator · 4820-01-631-8279 Valve, Purge →

4820-01-631-8263 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: PISTON
Valve Discharge Flow Rate: 25.0 GALLONS PER MINUTE
2 manufacturer part numbers on file
Manufacturer of record: Sun Hydraulics Corporation

Identification

NSN: 4820-01-631-8263
NIIN: 016318263
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RPEC-LCN/AP-4000PSI
Manufacturer: Sun Hydraulics Corporation

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-631-8263, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. 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	4820-01-631-8263
Primary Part Number	RPEC-LCN/AP-4000PSI
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sun Hydraulics Corporation
Status	ACTIVE
Flow Control Device	PISTON
Valve Discharge Flow Rate	25.0 GALLONS PER MINUTE

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
CE-078811	Sun Hydraulics Corporation (USA)
RPEC-LCN/AP-4000PSI PRIMARY	Sun Hydraulics Corporation (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 4820-01-631-8263?

NSN 4820-01-631-8263 is a Valve,safety Relief, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-631-8263?

NSN 4820-01-631-8263 has 2 manufacturer part numbers on file: CE-078811 (Sun Hydraulics Corporation), RPEC-LCN/AP-4000PSI (Sun Hydraulics Corporation).

What are the specifications of RPEC-LCN/AP-4000PSI?

Key specifications for RPEC-LCN/AP-4000PSI: Flow Control Device: PISTON; Part Name Assigned by Controlling Agency: PILOT OPERATED, BALANCED POSITION PISTON RELIEF VALVE; End Item Identification: RMMV V6.0; Valve Discharge Flow Rate: 25.0 GALLONS PER MINUTE. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-631-8263 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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