Valve, Safety Relief4820-01-311-9458

NSN 4820-01-311-9458 · NIIN 013119458 · Part number 6310050

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59364

Government record, cited

NSN 4820-01-311-9458 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-311-9458. Manufacturer of record part number: 6310050.

Also searched as 4820-01-311-9458 · 4820013119458 · NIIN 013119458 · 01-311-9458 · FSC 4820 Valves, Nonpowered · CAGE 59364 · 6310050

Nearby stock numbers ← 4820-01-311-9457 Valve, Stop-Check · 4820-01-311-9459 Valve, Check →

4820-01-311-9458 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: DISK
Connection Style: GASKET SEAL(BOSS) ALL ENDS
Connection Type: THREADED INTERNAL BOSS ALL ENDS
Operating Pressure: 3100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.125 INCHES ALL ENDS IN
Media for Which Designed: AIR FIRST RESPONSE

Identification

NSN: 4820-01-311-9458
NIIN: 013119458
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6310050
Manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-311-9458, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 11 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	4820-01-311-9458
Primary Part Number	6310050
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Status	ACTIVE
Flow Control Device	DISK
Connection Style	GASKET SEAL(BOSS) ALL ENDS
Connection Type	THREADED INTERNAL BOSS ALL ENDS
Operating Pressure	3100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction	RIGHT-HAND ALL ENDS
Nominal Thread Size	0.125 INCHES ALL ENDS IN
Media for Which Designed	AIR FIRST RESPONSE
Media for Which Designed	WATER, FRESH SECOND RESPONSE
Material	STEEL CORROSION RESISTING BODY
Thread Series Designator	NPT ALL ENDS
Valve Operation Method	AUTOMATIC

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
6310050	Naval Sea Systems Command (USA)
6310050 PRIMARY	Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (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 4820-01-311-9458?

NSN 4820-01-311-9458 is a Valve,safety Relief, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-311-9458?

NSN 4820-01-311-9458 has 2 manufacturer part numbers on file: 6310050 (Naval Sea Systems Command), 6310050 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).

What are the specifications of 6310050?

Key specifications for 6310050: Flow Control Device: DISK; Connection Style: GASKET SEAL(BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Operating Pressure: 3100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-311-9458 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