PartsTable TECHNICAL DATA SHEET

NSN 4820-01-433-7147Government record, cited

Cap, Valve4820-01-433-7147

NSN 4820-01-433-7147 · NIIN 014337147

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-433-7147 · 4820014337147 · NIIN 014337147 · 01-433-7147 · FSC 4820 Valves, Nonpowered · 1S-1122-5-2 · 1S-1122-5

Nearby stock numbers ← 4820-01-433-7144 Disk, Valve · 4820-01-433-7148 Diaphragm, Valve, Flat →

4820-01-433-7147 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
Valve Type for Which Designed: GATE
Material Document and Classification: MIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE
Valve Size for Which Designed: 42.000 INCHES IN
Height: 45.625 INCHES NOMINAL IN
Width: 18.750 INCHES NOMINAL IN
Material: COPPER ALLOY
Attachment Method: BOLTS

Identification

NSN: 4820-01-433-7147
NIIN: 014337147
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Cap,valve, cataloged under National Stock Number 4820-01-433-7147, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-433-7147
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Valve Type for Which Designed	GATE
Material Document and Classification	MIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE
Valve Size for Which Designed	42.000 INCHES IN
Height	45.625 INCHES NOMINAL IN
Width	18.750 INCHES NOMINAL IN
Material	COPPER ALLOY
Attachment Method	BOLTS

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

⇄ Related Items 6

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-433-714904102890 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division

4820-01-433-72091S-1122-5-5 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

4820-01-433-80091S-1122-5-77 POSSIBLE MATCH

CLAMP,DISK,VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

3020-01-433-81761S-1122-5-47 POSSIBLE MATCH

GEAR,BEVEL

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

3020-01-433-817804102008 POSSIBLE MATCH

GEAR,BEVEL

Possible match (shared part number)Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division

4820-01-434-31061S-1122-5-13 POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
1S-1122-5-2	3/2 Design control — primary reference U.S. Government activity
1S-1122-5	D/9 Drawing number reference only U.S. Government activity

Related Parts

4820-01-433-7149POSSIBLE MATCH

DISK,VALVE

04102890

4820-01-433-7209POSSIBLE MATCH

STEM,FLUID VALVE

1S-1122-5-5

4820-01-433-8009POSSIBLE MATCH

CLAMP,DISK,VALVE

1S-1122-5-77

3020-01-433-8176POSSIBLE MATCH

GEAR,BEVEL

1S-1122-5-47

3020-01-433-8178POSSIBLE MATCH

GEAR,BEVEL

04102008

4820-01-434-3106POSSIBLE MATCH

SEAT,VALVE

1S-1122-5-13

Frequently Asked Questions

What is NSN 4820-01-433-7147?

NSN 4820-01-433-7147 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-433-7147?

6 possible matches (shared part number, not a government interchangeability claim): 4820-01-433-7149, 4820-01-433-7209, 4820-01-433-8009. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-433-7147?

Key specifications for 4820-01-433-7147: Valve Type for Which Designed: GATE; Material Document and Classification: MIL-C-20159 MIL SPEC SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 42.000 INCHES IN; Height: 45.625 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-433-7147 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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