PartsTable TECHNICAL DATA SHEET

NSN 4820-01-456-3036Government record, cited

Piston, Valve4820-01-456-3036

NSN 4820-01-456-3036 · NIIN 014563036 · Part number 21338-1002-1

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 4820-01-456-3036 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-456-3036. Manufacturer of record part number: 21338-1002-1.

Also searched as 4820-01-456-3036 · 4820014563036 · NIIN 014563036 · 01-456-3036 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 21338-1002-1 · 21338-1002 · 21338 FIND 13

Nearby stock numbers ← 4820-01-456-3017 Valve, Check · 4820-01-456-3037 Piston, Valve →

4820-01-456-3036 — Valves, Nonpowered

Features

Piston,valve — FSC 4820
Outside Diameter: 0.750 INCHES NOMINAL IN
Inside Diameter: 0.372 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
Valve Design Control Activity: 78062
Material: STEEL COMP 416
1 manufacturer part number on file
Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Identification

NSN: 4820-01-456-3036
NIIN: 014563036
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21338-1002-1
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Piston,valve, cataloged under National Stock Number 4820-01-456-3036, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-456-3036
Primary Part Number	21338-1002-1
Item Name	Piston,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE
Outside Diameter	0.750 INCHES NOMINAL IN
Inside Diameter	0.372 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
Valve Design Control Activity	78062
Material	STEEL COMP 416

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
21338-1002-1 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)

Reference documents

Reference	Meaning
21338-1002	D/9 Drawing number reference only Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
21338 FIND 13	5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

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

Related Parts in Valves

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

8171E-1/4HS2

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

D559A3M2

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 4820-01-456-3036?

NSN 4820-01-456-3036 is a Piston,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 4820-01-456-3036?

NSN 4820-01-456-3036 has 1 manufacturer part number on file: 21338-1002-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 21338-1002-1?

Key specifications for 21338-1002-1: Outside Diameter: 0.750 INCHES NOMINAL IN; Overall Length: 4.855 INCHES NOMINAL IN; Inside Diameter: 0.372 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN; Valve Design Control Activity: 78062. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-456-3036 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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