Disk, Valve4820-01-061-0672

NSN 4820-01-061-0672 · NIIN 010610672 · Part number 20437-1040

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062

Government record, cited

NSN 4820-01-061-0672 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-061-0672. Manufacturer of record part number: 20437-1040.

Also searched as 4820-01-061-0672 · 4820010610672 · NIIN 010610672 · 01-061-0672 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20437-1040

Nearby stock numbers ← 4820-01-061-0671 Guide, Valve · 4820-01-061-0676 Adapter, Ball Puller →

4820-01-061-0672 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Shank Diameter: 0.752 INCHES NOMINAL IN
Flange Seat to Disk End Height: 2.233 INCHES NOMINAL IN
Outside Diameter: 0.872 INCHES NOMINAL IN
Style Designator: POPPET
Seat Angle: 29.0 DEGREES NOMINAL
Under Flange Height: 0.243 INCHES NOMINAL IN
Material: STEEL

Identification

NSN: 4820-01-061-0672
NIIN: 010610672
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20437-1040
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-061-0672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 7 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	4820-01-061-0672
Primary Part Number	20437-1040
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE
Shank Diameter	0.752 INCHES NOMINAL IN
Flange Seat to Disk End Height	2.233 INCHES NOMINAL IN
Outside Diameter	0.872 INCHES NOMINAL IN
Style Designator	POPPET
Seat Angle	29.0 DEGREES NOMINAL
Under Flange Height	0.243 INCHES NOMINAL IN
Material	STEEL

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
20437-1040 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (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 4820-01-061-0672?

NSN 4820-01-061-0672 is a Disk,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-061-0672?

NSN 4820-01-061-0672 has 1 manufacturer part number on file: 20437-1040 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 20437-1040?

Key specifications for 20437-1040: Shank Diameter: 0.752 INCHES NOMINAL IN; Flange Seat to Disk End Height: 2.233 INCHES NOMINAL IN; Overall Height: 2.476 INCHES NOMINAL IN; Outside Diameter: 0.872 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-061-0672 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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