Cap, Valve4820-00-971-2811

NSN 4820-00-971-2811 · NIIN 009712811 · Part number H4-264

Dresser Industries Inc Leroi Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35301

Government record, cited

NSN 4820-00-971-2811 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-971-2811. Manufacturer of record part number: H4-264.

Also searched as 4820-00-971-2811 · 4820009712811 · NIIN 009712811 · 00-971-2811 · FSC 4820 Valves, Nonpowered · CAGE 35301 · H4-264

Nearby stock numbers ← 4820-00-971-2469 · 4820-00-971-2813 Cap, Valve →

4820-00-971-2811 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Dresser Industries Inc Leroi Div

Identification

NSN: 4820-00-971-2811
NIIN: 009712811
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: H4-264
Manufacturer: Dresser Industries Inc Leroi Div

General Description

The Cap,valve, cataloged under National Stock Number 4820-00-971-2811, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dresser Industries Inc Leroi Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Cap,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Dresser Industries Inc Leroi Div (CAGE 35301)

Technical Specifications

Parameter	Value
NSN	4820-00-971-2811
Primary Part Number	H4-264
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Dresser Industries Inc Leroi Div
Status	ACTIVE

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
H4-264 PRIMARY	Dresser Industries Inc Leroi Div (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 4820-00-971-2811?

NSN 4820-00-971-2811 is a Cap,valve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-971-2811?

NSN 4820-00-971-2811 has 1 manufacturer part number on file: H4-264 (Dresser Industries Inc Leroi Div).

Is NSN 4820-00-971-2811 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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