Valve, Gate4820-01-443-6491

NSN 4820-01-443-6491 · NIIN 014436491

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-443-6491 · 4820014436491 · NIIN 014436491 · 01-443-6491 · FSC 4820 Valves, Nonpowered · FIG 1512 8IN · 1512 8IN

Nearby stock numbers ← 4820-01-443-6415 · 4820-01-443-6493 Valve, Diaphragm, Stop →

4820-01-443-6491 — Valves, Nonpowered

Features

Valve,gate — FSC 4820
Inlet Relationship with Outlet: IDENTICAL
Valve Size: 8.000 INCHES IN
Bonnet Type: OUTSIDE SCREW-YOKE
Bonnet Attachment Method: BOLTED
Pressure Class: ERR-060
Material: STEEL CORROSION RESISTING DISK
Valve Operation Method: MANUAL

Identification

NSN: 4820-01-443-6491
NIIN: 014436491
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,gate, cataloged under National Stock Number 4820-01-443-6491, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-443-6491
Item Name	Valve,gate
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Inlet Relationship with Outlet	IDENTICAL
Valve Size	8.000 INCHES IN
Bonnet Type	OUTSIDE SCREW-YOKE
Bonnet Attachment Method	BOLTED
Pressure Class	ERR-060
Material	STEEL CORROSION RESISTING DISK
Valve Operation Method	MANUAL

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
FIG 1512 8IN	5/9 Secondary reference Lunkenheimer Co
1512 8IN	3/9 Design control — primary reference Lunkenheimer Co

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 4820-01-443-6491?

NSN 4820-01-443-6491 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-443-6491?

Key specifications for 4820-01-443-6491: Inlet Relationship with Outlet: IDENTICAL; Valve Size: 8.000 INCHES IN; Bonnet Type: OUTSIDE SCREW-YOKE; Special Features: FLEXIBLE SOLID WEDGE. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-443-6491 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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