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NSN 4820-01-550-2132Government record, cited

Valve, Check4820-01-550-2132

NSN 4820-01-550-2132 · NIIN 015502132 · Part number 6850390

Watermaker Store Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 05MH3

Government record, cited

NSN 4820-01-550-2132 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-550-2132. Manufacturer of record part number: 6850390.

Also searched as 4820-01-550-2132 · 4820015502132 · NIIN 015502132 · 01-550-2132 · FSC 4820 Valves, Nonpowered · CAGE 05MH3 · 6850390 · 685-8F8F-E · SRC AW 1400MS-2 PG LL-13 IT 3

Nearby stock numbers ← 4820-01-550-2105 Stem, Fluid Valve · 4820-01-550-2145 Tool Assembly, Ball Valve →

4820-01-550-2132 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Watermaker Store Inc.

Identification

NSN: 4820-01-550-2132
NIIN: 015502132
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6850390
Manufacturer: Watermaker Store Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-550-2132, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watermaker Store Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-550-2132
Primary Part Number	6850390
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Watermaker Store Inc.
Status	ACTIVE

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
6850390 PRIMARY	Watermaker Store Inc. (USA)

Reference documents

Reference	Meaning
685-8F8F-E	5/9 Secondary reference Watermaker Store Inc.
SRC AW 1400MS-2 PG LL-13 IT 3	5/1 Secondary reference Sea Recovery Corporation

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 4820-01-550-2132?

NSN 4820-01-550-2132 is a Valve,check, manufactured by Watermaker Store Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-550-2132?

NSN 4820-01-550-2132 has 1 manufacturer part number on file: 6850390 (Watermaker Store Inc.).

What are the specifications of 6850390?

Key specifications for 6850390: Part Name Assigned by Controlling Agency: 1/2 INCH SMC CHECK VALVE IN; End Item Identification: MILITARY SPECIAL DESALINATION SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-550-2132 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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