Retainer, Seat, Valve4820-01-677-0407

NSN 4820-01-677-0407 · NIIN 016770407 · Part number 570196-704

Armstrong Pumps Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 52694

Government record, cited

NSN 4820-01-677-0407 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-677-0407. Manufacturer of record part number: 570196-704.

Also searched as 4820-01-677-0407 · 4820016770407 · NIIN 016770407 · 01-677-0407 · FSC 4820 Valves, Nonpowered · CAGE 52694 · 570196-704

Nearby stock numbers ← 4820-01-677-0392 Valve, Safety Relief · 4820-01-677-0409 Valve, Check →

4820-01-677-0407 — Valves, Nonpowered

Features

Retainer,seat,valve — FSC 4820
Valve Size for Which Designed: 4.00 INCHES IN
1 manufacturer part number on file
Manufacturer of record: Armstrong Pumps Inc

Identification

NSN: 4820-01-677-0407
NIIN: 016770407
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 570196-704
Manufacturer: Armstrong Pumps Inc

General Description

The Retainer,seat,valve, cataloged under National Stock Number 4820-01-677-0407, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Armstrong Pumps Inc. Government technical data includes 1 specification, 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	4820-01-677-0407
Primary Part Number	570196-704
Item Name	Retainer,seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Armstrong Pumps Inc
Status	ACTIVE
Valve Size for Which Designed	4.00 INCHES IN

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
570196-704 PRIMARY	Armstrong Pumps Inc (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 4820-01-677-0407?

NSN 4820-01-677-0407 is a Retainer,seat,valve, manufactured by Armstrong Pumps Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-677-0407?

NSN 4820-01-677-0407 has 1 manufacturer part number on file: 570196-704 (Armstrong Pumps Inc).

What are the specifications of 570196-704?

Key specifications for 570196-704: Valve Size for Which Designed: 4.00 INCHES IN; Part Name Assigned by Controlling Agency: SEAT GUIDE; End Item Identification: FLO-REC VALVE. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-677-0407 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.

PartsTable Design LLC · partstable.com