PartsTable TECHNICAL DATA SHEET

NSN 4820-01-104-5201Government record, cited

Cap, Valve4820-01-104-5201

NSN 4820-01-104-5201 · NIIN 011045201

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-104-5201 · 4820011045201 · NIIN 011045201 · 01-104-5201 · FSC 4820 Valves, Nonpowered · 461-809-42 ITEM 90 · 845-4558743 ITEM 47 · 2642-787-01 · 845-4558743

Nearby stock numbers ← 4820-01-104-5198 Cap, Valve · 4820-01-104-5209 →

4820-01-104-5201 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
Valve Type for Which Designed: BALL
Material: STEEL CORROSION RESISTING

Identification

NSN: 4820-01-104-5201
NIIN: 011045201
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Cap,valve, cataloged under National Stock Number 4820-01-104-5201, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-104-5201
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Valve Type for Which Designed	BALL
Material	STEEL CORROSION RESISTING

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 12

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

4820-01-104-63962641-809-42 ITEM 76 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-105-00022641-809-42 ITEM 82 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-105-12992641-809-42 ITEM 72 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-105-19572642-787-01 ASSEMBLY B POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-105-73272642-787-01 ASSEMBLY D POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-115-09712641-809-42 ITEM 84 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-115-10132641-809-42 ITEM 78 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-124-27882641-809-42 ITEM 80 POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-134-36832641-809-42 ITEM 74 POSSIBLE MATCH

STEM,FLUID VALVE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4820-01-151-79142642-787-01 ASSEMBLY G POSSIBLE MATCH

VALVE,BALL

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
461-809-42 ITEM 90	3/2 Design control — primary reference U.S. Government activity
845-4558743 ITEM 47	5/2 Secondary reference U.S. Government activity
2642-787-01	D/9 Drawing number reference only U.S. Government activity
845-4558743	D/9 Drawing number reference only U.S. Government activity

Related Parts

4820-01-104-6396POSSIBLE MATCH

STEM,FLUID VALVE

2641-809-42 ITEM 76

4820-01-105-0002POSSIBLE MATCH

DISK,VALVE

2641-809-42 ITEM 82

4820-01-105-1299POSSIBLE MATCH

STEM,FLUID VALVE

2641-809-42 ITEM 72

4820-01-105-1957POSSIBLE MATCH

VALVE,BALL

2642-787-01 ASSEMBLY B

4820-01-105-7327POSSIBLE MATCH

VALVE,BALL

2642-787-01 ASSEMBLY D

4820-01-115-0971POSSIBLE MATCH

DISK,VALVE

2641-809-42 ITEM 84

4820-01-115-1013POSSIBLE MATCH

STEM,FLUID VALVE

2641-809-42 ITEM 78

4820-01-124-2788POSSIBLE MATCH

DISK,VALVE

2641-809-42 ITEM 80

4820-01-134-3683POSSIBLE MATCH

STEM,FLUID VALVE

2641-809-42 ITEM 74

4820-01-151-7914POSSIBLE MATCH

VALVE,BALL

2642-787-01 ASSEMBLY G

4820-01-153-8086POSSIBLE MATCH

PARTS KIT,BALL VALVE

2641-809-42-5X2640-801X02-6

4820-01-155-0187POSSIBLE MATCH

VALVE,BALL

2642-787-01 ASSEMBLY A

Frequently Asked Questions

What is NSN 4820-01-104-5201?

NSN 4820-01-104-5201 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-104-5201?

12 possible matches (shared part number, not a government interchangeability claim): 4820-01-104-6396, 4820-01-105-0002, 4820-01-105-1299. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-104-5201?

Key specifications for 4820-01-104-5201: Valve Type for Which Designed: BALL; Material: STEEL CORROSION RESISTING. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-104-5201 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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