PartsTable TECHNICAL DATA SHEET

NSN 4820-00-288-7064Government record, cited

Valve, Check4820-00-288-7064

NSN 4820-00-288-7064 · NIIN 002887064

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-288-7064 · 4820002887064 · NIIN 002887064 · 00-288-7064 · FSC 4820 Valves, Nonpowered · 810-1385721 · 810-1385721

Nearby stock numbers ← 4820-00-288-7063 · 4820-00-288-7065 Valve, Check →

4820-00-288-7064 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
Connection Style: SOCKET (PIPE) FIRST END
Mounting Position: HORIZONTAL OR VERTICAL
Connection Type: UNTHREADED INTERNAL TUBE FIRST END
Style Designator: STRAIGHT THRU
Media for Which Designed: STEAM SINGLE RESPONSE

Identification

NSN: 4820-00-288-7064
NIIN: 002887064
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-00-288-7064, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	4820-00-288-7064
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	DISK
Nominal Pipe Size Accommodated	0.500 INCHES FIRST END IN
Connection Style	SOCKET (PIPE) FIRST END
Mounting Position	HORIZONTAL OR VERTICAL
Connection Type	UNTHREADED INTERNAL TUBE FIRST END
Style Designator	STRAIGHT THRU
Media for Which Designed	STEAM SINGLE RESPONSE
Material	COPPER ALLOY BODY
Material	NICKEL ALLOY FLOW CONTROL DEVICE
Material	COPPER ALLOY SEAT
Valve Operation Method	AUTOMATIC
Reference Number Differentiating Characteristics	AS DIFFERENTIATED BY PACACLG

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 7

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

4820-00-451-26821385721-7NON MAG POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-00-482-8906803-1385721-12 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-00-482-8907803-1385721-6 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-00-483-0678803-1385721-21 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-00-483-0679803-1385721-31 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-00-483-06811385721-5 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)Naval Ship Systems Command

4820-01-232-8021 POSSIBLE MATCH

VALVE,CHECK

Possible match (shared part number)

Cross-Reference Index

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

Reference documents

Reference	Meaning
810-1385721	3/1 Design control — primary reference Naval Sea Systems Command
810-1385721	5/9 Secondary reference U.S. Government activity

Related Parts

4820-00-451-2682POSSIBLE MATCH

VALVE,CHECK

1385721-7NON MAG

4820-00-482-8906POSSIBLE MATCH

VALVE,CHECK

803-1385721-12

4820-00-482-8907POSSIBLE MATCH

VALVE,CHECK

803-1385721-6

4820-00-483-0678POSSIBLE MATCH

VALVE,CHECK

803-1385721-21

4820-00-483-0679POSSIBLE MATCH

VALVE,CHECK

803-1385721-31

4820-00-483-0681POSSIBLE MATCH

VALVE,CHECK

1385721-5

4820-01-232-8021POSSIBLE MATCH

VALVE,CHECK

Frequently Asked Questions

What is NSN 4820-00-288-7064?

NSN 4820-00-288-7064 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-00-288-7064?

7 possible matches (shared part number, not a government interchangeability claim): 4820-00-451-2682, 4820-00-482-8906, 4820-00-482-8907. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-00-288-7064?

Key specifications for 4820-00-288-7064: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-288-7064 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.

What is the DEMIL code for NSN 4820-00-288-7064?

NSN 4820-00-288-7064 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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