Valve, Check4820-01-680-7528

NSN 4820-01-680-7528 · NIIN 016807528 · Part number 431770

Tyco Fire Products Lp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03670

Government record, cited

NSN 4820-01-680-7528 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-680-7528. Manufacturer of record part number: 431770.

Also searched as 4820-01-680-7528 · 4820016807528 · NIIN 016807528 · 01-680-7528 · FSC 4820 Valves, Nonpowered · CAGE 03670 · 431770

Nearby stock numbers ← 4820-01-680-7494 Valve, Ball · 4820-01-680-7637 Valve, Globe →

4820-01-680-7528 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Nominal Length: 6.50 INCHES ALL ENDS IN
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Tyco Fire Products Lp

Identification

NSN: 4820-01-680-7528
NIIN: 016807528
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 431770
Manufacturer: Tyco Fire Products Lp

General Description

The Valve,check, cataloged under National Stock Number 4820-01-680-7528, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tyco Fire Products Lp. Government technical data includes 2 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-680-7528
Primary Part Number	431770
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Tyco Fire Products Lp
Status	ACTIVE
Nominal Length	6.50 INCHES ALL ENDS IN
Material	STEEL CORROSION RESISTING OVERALL

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
431770 PRIMARY	Tyco Fire Products Lp (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 4820-01-680-7528?

NSN 4820-01-680-7528 is a Valve,check, manufactured by Tyco Fire Products Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-680-7528?

NSN 4820-01-680-7528 has 1 manufacturer part number on file: 431770 (Tyco Fire Products Lp).

What are the specifications of 431770?

Key specifications for 431770: Nominal Length: 6.50 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: SWING CHECK VALVE, FLANGED, STAINLESS STEEL, 1.5 INCHES IN; Material: STEEL CORROSION RESISTING OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-680-7528 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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