Valve, Relief, Pressure and Temper4820-01-216-7927

NSN 4820-01-216-7927 · NIIN 012167927 · Part number B501409

Rolls-Royce Plc Div Defense (europe) · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE K0378

Government record, cited

NSN 4820-01-216-7927 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-216-7927. Manufacturer of record part number: B501409.

Also searched as 4820-01-216-7927 · 4820012167927 · NIIN 012167927 · 01-216-7927 · FSC 4820 Valves, Nonpowered · CAGE K0378 · B501409

Nearby stock numbers ← 4820-01-216-7926 Valve, Relief, Pressure and Temper · 4820-01-216-8022 Valve, Check →

4820-01-216-7927 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
Opening Pressure Setting: ERR-060
Temp Adjustability: NOT ADJUSTABLE
1 manufacturer part number on file
Manufacturer of record: Rolls-Royce Plc Div Defense (europe)

Identification

NSN: 4820-01-216-7927
NIIN: 012167927
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B501409
Manufacturer: Rolls-Royce Plc Div Defense (europe)

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-216-7927, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Plc Div Defense (europe). 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	4820-01-216-7927
Primary Part Number	B501409
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Rolls-Royce Plc Div Defense (europe)
Status	ACTIVE
Opening Pressure Setting	ERR-060
Temp Adjustability	NOT ADJUSTABLE

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
B501409 PRIMARY	Rolls-Royce Plc Div Defense (europe) (GBR)

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 4820-01-216-7927?

NSN 4820-01-216-7927 is a Valve,relief,pressure and Temper, manufactured by Rolls-Royce Plc Div Defense (europe), classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-216-7927?

NSN 4820-01-216-7927 has 1 manufacturer part number on file: B501409 (Rolls-Royce Plc Div Defense (europe)).

What are the specifications of B501409?

Key specifications for B501409: Opening Pressure Setting: ERR-060; Temp Adjustability: NOT ADJUSTABLE. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-216-7927 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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