Valve, Expansion4820-01-687-5121

NSN 4820-01-687-5121 · NIIN 016875121 · Part number 3516225

Delfield Company Dba Delfield Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 33087

Government record, cited

NSN 4820-01-687-5121 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-687-5121. Manufacturer of record part number: 3516225.

Also searched as 4820-01-687-5121 · 4820016875121 · NIIN 016875121 · 01-687-5121 · FSC 4820 Valves, Nonpowered · CAGE 33087 · 3516225

Nearby stock numbers ← 4820-01-687-5098 Stem, Fluid Valve · 4820-01-687-5145 Seat, Valve →

4820-01-687-5121 — Valves, Nonpowered

Features

Valve,expansion — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Delfield Company Dba Delfield Company

Identification

NSN: 4820-01-687-5121
NIIN: 016875121
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3516225
Manufacturer: Delfield Company Dba Delfield Company

General Description

The Valve,expansion, cataloged under National Stock Number 4820-01-687-5121, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delfield Company Dba Delfield Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-687-5121
Primary Part Number	3516225
Item Name	Valve,expansion
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Delfield Company Dba Delfield Company
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
3516225 PRIMARY	Delfield Company Dba Delfield Company (USA)

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 4820-01-687-5121?

NSN 4820-01-687-5121 is a Valve,expansion, manufactured by Delfield Company Dba Delfield Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-687-5121?

NSN 4820-01-687-5121 has 1 manufacturer part number on file: 3516225 (Delfield Company Dba Delfield Company).

What are the specifications of 3516225?

Key specifications for 3516225: Part Name Assigned by Controlling Agency: VALVE,EXPANSION,FREEZER,1/4 TON; End Item Identification: WELL,DUAL TEMPERATURE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-687-5121 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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