PartsTable TECHNICAL DATA SHEET

NSN 4820-01-723-0635Government record, cited

Valve, Regulating, Fluid Pressure4820-01-723-0635

NSN 4820-01-723-0635 · NIIN 017230635 · Part number 1301-1071-398262S

Proconex Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0EW18

Government record, cited

NSN 4820-01-723-0635 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-723-0635. Manufacturer of record part number: 1301-1071-398262S.

Also searched as 4820-01-723-0635 · 4820017230635 · NIIN 017230635 · 01-723-0635 · FSC 4820 Valves, Nonpowered · CAGE 0EW18 · 1301-1071-398262S · 003-ME-240329-0270575

Nearby stock numbers ← 4820-01-723-0607 Stem, Fluid Valve · 4820-01-723-0671 Cover Plate, Valve →

4820-01-723-0635 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Material: COPPER ALLOY BODY
1 manufacturer part number on file
Manufacturer of record: Proconex Inc

Identification

NSN: 4820-01-723-0635
NIIN: 017230635
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1301-1071-398262S
Manufacturer: Proconex Inc

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-723-0635, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Proconex Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-723-0635
Primary Part Number	1301-1071-398262S
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Proconex Inc
Status	ACTIVE
Material	COPPER ALLOY 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
1301-1071-398262S	Proconex Inc (USA)

Reference documents

Reference	Meaning
003-ME-240329-0270575	D/9 Drawing number reference only U.S. Government activity
1301-1071-398262S	3/2 Design control — primary reference U.S. Government activity

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 4820-01-723-0635?

NSN 4820-01-723-0635 is a Valve,regulating,fluid Pressure, manufactured by Proconex Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-723-0635?

NSN 4820-01-723-0635 has 1 manufacturer part number on file: 1301-1071-398262S (Proconex Inc).

What are the specifications of 1301-1071-398262S?

Key specifications for 1301-1071-398262S: Material: COPPER ALLOY BODY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-723-0635 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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