Valve, Regulating, System Pressure4820-01-701-4571

NSN 4820-01-701-4571 · NIIN 017014571 · Part number CDP4042

Chase Supply, Inc. Dba Chase Defense Partners · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1RZM1

Government record, cited

NSN 4820-01-701-4571 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-701-4571. Manufacturer of record part number: CDP4042.

Also searched as 4820-01-701-4571 · 4820017014571 · NIIN 017014571 · 01-701-4571 · FSC 4820 Valves, Nonpowered · CAGE 1RZM1 · CDP4042 · BBF13PL1KVA3-069

Nearby stock numbers ← 4820-01-701-4538 Cap, Valve · 4820-01-701-4660 Guide, Diaphragm, Valve →

4820-01-701-4571 — Valves, Nonpowered

Features

Valve,regulating,system Pressure — FSC 4820
Temp Rating: -15.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification: QQ-A-225/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE BODY
Material: ALUMINUM ALLOY 6061 BODY
2 manufacturer part numbers on file
Manufacturer of record: Chase Supply, Inc. Dba Chase Defense Partners

Identification

NSN: 4820-01-701-4571
NIIN: 017014571
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: CDP4042
Manufacturer: Chase Supply, Inc. Dba Chase Defense Partners

General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-701-4571, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chase Supply, Inc. Dba Chase Defense Partners. Government technical data includes 3 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	4820-01-701-4571
Primary Part Number	CDP4042
Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Chase Supply, Inc. Dba Chase Defense Partners
Status	ACTIVE
Temp Rating	-15.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF
Material Document and Classification	QQ-A-225/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE BODY
Material	ALUMINUM ALLOY 6061 BODY

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
BBF13PL1KVA3-069	Tescom Corp Dba Tescom Div Tescom (USA)
CDP4042 PRIMARY	Chase Supply, Inc. Dba Chase Defense Partners (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 4820-01-701-4571?

NSN 4820-01-701-4571 is a Valve,regulating,system Pressure, manufactured by Chase Supply, Inc. Dba Chase Defense Partners, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-701-4571?

NSN 4820-01-701-4571 has 2 manufacturer part numbers on file: BBF13PL1KVA3-069 (Tescom Corp Dba Tescom Div Tescom), CDP4042 (Chase Supply, Inc. Dba Chase Defense Partners).

What are the specifications of CDP4042?

Key specifications for CDP4042: Temp Rating: -15.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: QQ-A-225/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE BODY; Part Name Assigned by Controlling Agency: SPRING LOADED,HAND OPERATED,PISTON SENSED PRESSURE REDUCING REGULATOR;; End Item Identification: SCUBA,BATK. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-701-4571 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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