PartsTable TECHNICAL DATA SHEET

NSN 4820-01-200-9346Government record, cited

Valve, Check4820-01-200-9346

NSN 4820-01-200-9346 · NIIN 012009346 · Part number SSIDCSMT.500SS

International Valve Corp Dba Check-All Valve Mfg. Co. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28396

Government record, cited

NSN 4820-01-200-9346 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-200-9346. Manufacturer of record part number: SSIDCSMT.500SS.

Also searched as 4820-01-200-9346 · 4820012009346 · NIIN 012009346 · 01-200-9346 · FSC 4820 Valves, Nonpowered · CAGE 28396 · SSIDCSMT.500SS · SSI-50-C-M-1/2 · SSI-050C · SSI-050-C-M-1/2

Nearby stock numbers ← 4820-01-200-9345 Valve, Check · 4820-01-200-9347 Valve, Check →

4820-01-200-9346 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Style Designator: STRAIGHT THRU
Valve Size: 0.500 INCHES IN
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: International Valve Corp Dba Check-All Valve Mfg. Co.

Identification

NSN: 4820-01-200-9346
NIIN: 012009346
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SSIDCSMT.500SS
Manufacturer: International Valve Corp Dba Check-All Valve Mfg. Co.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-200-9346, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is International Valve Corp Dba Check-All Valve Mfg. Co.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-200-9346
Primary Part Number	SSIDCSMT.500SS
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	International Valve Corp Dba Check-All Valve Mfg. Co.
Status	ACTIVE
Style Designator	STRAIGHT THRU
Valve Size	0.500 INCHES IN
Valve Operation Method	AUTOMATIC

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

Part Number	Manufacturer
SSIDCSMT.500SS PRIMARY	International Valve Corp Dba Check-All Valve Mfg. Co. (USA)

Reference documents

Reference	Meaning
SSI-50-C-M-1/2	5/9 Secondary reference International Valve Corp Dba Check-All Valve Mfg. Co.
SSI-050C	5/9 Secondary reference International Valve Corp Dba Check-All Valve Mfg. Co.
SSI-050-C-M-1/2	5/9 Secondary reference International Valve Corp Dba Check-All Valve Mfg. 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 4820-01-200-9346?

NSN 4820-01-200-9346 is a Valve,check, manufactured by International Valve Corp Dba Check-All Valve Mfg. Co., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-200-9346?

NSN 4820-01-200-9346 has 1 manufacturer part number on file: SSIDCSMT.500SS (International Valve Corp Dba Check-All Valve Mfg. Co.).

What are the specifications of SSIDCSMT.500SS?

Key specifications for SSIDCSMT.500SS: Style Designator: STRAIGHT THRU; Valve Size: 0.500 INCHES IN; Valve Operation Method: AUTOMATIC. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-200-9346 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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