Valve, Check4820-01-255-4208

NSN 4820-01-255-4208 · NIIN 012554208

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-255-4208 · 4820012554208 · NIIN 012554208 · 01-255-4208 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-255-4207 Valve, Check · 4820-01-255-4209 Valve, Check →

4820-01-255-4208 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Flange Shape: ROUND WITH HOLES ALL ENDS
Flange Face Design: RAISED STRAIGHT ALL ENDS
Bolt Circle Nominal Diameter: 14.250 INCHES ALL ENDS IN
Mounting Position: HORIZONTAL OR VERTICAL
Connection Type: FLANGE ALL ENDS
Style Designator: STRAIGHT THRU FLANGED ENDS

Identification

NSN: 4820-01-255-4208
NIIN: 012554208
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-255-4208, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-255-4208
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	DISK
Flange Shape	ROUND WITH HOLES ALL ENDS
Flange Face Design	RAISED STRAIGHT ALL ENDS
Bolt Circle Nominal Diameter	14.250 INCHES ALL ENDS IN
Mounting Position	HORIZONTAL OR VERTICAL
Connection Type	FLANGE ALL ENDS
Style Designator	STRAIGHT THRU FLANGED ENDS
Bolt Hole Nominal Diameter	1.000 INCHES ALL ENDS IN
Valve Size	10.000 INCHES IN
Nominal Outside Diameter	16.000 INCHES ALL ENDS IN
Bolt Hole Quantity	12 ALL ENDS
Face to Face Distance	24.500 INCHES IN
Material	STEEL BODY
Material	STEEL SEAT
Material	STEEL FLOW CONTROL DEVICE
Raised Face Nominal Diameter	12.750 INCHES ALL ENDS IN
Valve Operation Method	AUTOMATIC
Raised Face Nominal Height	0.062 INCHES ALL ENDS IN
Nominal Thickness	1.188 INCHES ALL ENDS IN

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
D1572B 10IN	3/9 Design control — primary reference Oic Valve Corp

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 4820-01-255-4208?

NSN 4820-01-255-4208 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-255-4208?

Key specifications for 4820-01-255-4208: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 14.250 INCHES ALL ENDS IN. 19 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-255-4208 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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