Valve, Safety Relief4820-01-642-3195

NSN 4820-01-642-3195 · NIIN 016423195 · Part number 70002-015

Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 21439

Government record, cited

NSN 4820-01-642-3195 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-642-3195. Manufacturer of record part number: 70002-015.

Also searched as 4820-01-642-3195 · 4820016423195 · NIIN 016423195 · 01-642-3195 · FSC 4820 Valves, Nonpowered · CAGE 21439 · 70002-015

Nearby stock numbers ← 4820-01-642-3045 Valve, Flow Control · 4820-01-642-3208 Valve, Check →

4820-01-642-3195 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Material Document and Classification: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE BODY
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.25 INCHES ALL ENDS IN
Surface Treatment: NICKEL LOCATION NOT OTHERWISE SPECIFIED
Thread Quantity Per Inch: 18 ALL ENDS
Material: COPPER ALLOY BODY
Thread Series Designator: NPT ALL ENDS

Identification

NSN: 4820-01-642-3195
NIIN: 016423195
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 70002-015
Manufacturer: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-642-3195, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 7 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	4820-01-642-3195
Primary Part Number	70002-015
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Status	ACTIVE
Material Document and Classification	ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE BODY
Thread Direction	RIGHT-HAND ALL ENDS
Nominal Thread Size	0.25 INCHES ALL ENDS IN
Surface Treatment	NICKEL LOCATION NOT OTHERWISE SPECIFIED
Thread Quantity Per Inch	18 ALL ENDS
Material	COPPER ALLOY BODY
Thread Series Designator	NPT ALL ENDS

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
70002-015	Defence Liaison Services Pty Ltd (AUS)
70002-015 PRIMARY	Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (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 4820-01-642-3195?

NSN 4820-01-642-3195 is a Valve,safety Relief, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-642-3195?

NSN 4820-01-642-3195 has 2 manufacturer part numbers on file: 70002-015 (Defence Liaison Services Pty Ltd), 70002-015 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).

What are the specifications of 70002-015?

Key specifications for 70002-015: Material Document and Classification: ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE BODY; Thread Direction: RIGHT-HAND ALL ENDS; Nominal Thread Size: 0.25 INCHES ALL ENDS IN; Surface Treatment: NICKEL LOCATION NOT OTHERWISE SPECIFIED. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-642-3195 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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