Stem, Fluid Valve4820-01-330-9328

NSN 4820-01-330-9328 · NIIN 013309328 · Part number 1820631K

R. H. Sheppard Co., Inc. Dba Sheppard · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78222

Government record, cited

NSN 4820-01-330-9328 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-330-9328. Manufacturer of record part number: 1820631K.

Also searched as 4820-01-330-9328 · 4820013309328 · NIIN 013309328 · 01-330-9328 · FSC 4820 Valves, Nonpowered · CAGE 78222 · 1820631K

Nearby stock numbers ← 4820-01-330-9326 Ball, Valve, Ported · 4820-01-330-9342 Disk, Valve →

4820-01-330-9328 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Valve Type for Which Designed: RELIEF
Stem Actuating End Type: THREADED EXTERNALLY
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: R. H. Sheppard Co., Inc. Dba Sheppard

Identification

NSN: 4820-01-330-9328
NIIN: 013309328
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1820631K
Manufacturer: R. H. Sheppard Co., Inc. Dba Sheppard

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-330-9328, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is R. H. Sheppard Co., Inc. Dba Sheppard. Government technical data includes 3 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	4820-01-330-9328
Primary Part Number	1820631K
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	R. H. Sheppard Co., Inc. Dba Sheppard
Status	ACTIVE
Valve Type for Which Designed	RELIEF
Stem Actuating End Type	THREADED EXTERNALLY
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
1820631K PRIMARY	R. H. Sheppard Co., Inc. Dba Sheppard (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 4820-01-330-9328?

NSN 4820-01-330-9328 is a Stem,fluid Valve, manufactured by R. H. Sheppard Co., Inc. Dba Sheppard, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-330-9328?

NSN 4820-01-330-9328 has 1 manufacturer part number on file: 1820631K (R. H. Sheppard Co., Inc. Dba Sheppard).

What are the specifications of 1820631K?

Key specifications for 1820631K: Valve Type for Which Designed: RELIEF; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 2.250 INCHES NOMINAL IN; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-330-9328 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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