Valve, Check4820-01-602-4556

NSN 4820-01-602-4556 · NIIN 016024556 · Part number 1720X30TP

Otp Holding Llc Dba Tp Pump Div Tp Pump · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0U9J4

Government record, cited

NSN 4820-01-602-4556 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-602-4556. Manufacturer of record part number: 1720X30TP.

Also searched as 4820-01-602-4556 · 4820016024556 · NIIN 016024556 · 01-602-4556 · FSC 4820 Valves, Nonpowered · CAGE 0U9J4 · 1720X30TP

Nearby stock numbers ← 4820-01-602-4543 Seat, Valve · 4820-01-602-4563 Seat, Valve →

4820-01-602-4556 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Otp Holding Llc Dba Tp Pump Div Tp Pump

Identification

NSN: 4820-01-602-4556
NIIN: 016024556
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1720X30TP
Manufacturer: Otp Holding Llc Dba Tp Pump Div Tp Pump

General Description

The Valve,check, cataloged under National Stock Number 4820-01-602-4556, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Otp Holding Llc Dba Tp Pump Div Tp Pump. 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	4820-01-602-4556
Primary Part Number	1720X30TP
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Otp Holding Llc Dba Tp Pump Div Tp Pump
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
1720X30TP PRIMARY	Otp Holding Llc Dba Tp Pump Div Tp Pump (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 4820-01-602-4556?

NSN 4820-01-602-4556 is a Valve,check, manufactured by Otp Holding Llc Dba Tp Pump Div Tp Pump, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-602-4556?

NSN 4820-01-602-4556 has 1 manufacturer part number on file: 1720X30TP (Otp Holding Llc Dba Tp Pump Div Tp Pump).

What are the specifications of 1720X30TP?

Key specifications for 1720X30TP: End Item Identification: BEAR WATER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-602-4556 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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