Seat, Valve4820-01-442-1679

NSN 4820-01-442-1679 · NIIN 014421679 · Part number 839-SS

Robert H Wager Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79128

Government record, cited

NSN 4820-01-442-1679 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-442-1679. Manufacturer of record part number: 839-SS.

Also searched as 4820-01-442-1679 · 4820014421679 · NIIN 014421679 · 01-442-1679 · FSC 4820 Valves, Nonpowered · CAGE 79128 · 839-SS

Nearby stock numbers ← 4820-01-442-1678 Lock, Valve Stem · 4820-01-442-1683 Positioner, Valve →

4820-01-442-1679 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Style Designator: PLAIN FLANGED
Material: STEEL CORROSION RESISTING OVERALL
Seating Surface Shape: FLAT
1 manufacturer part number on file
Manufacturer of record: Robert H Wager Co Inc

Identification

NSN: 4820-01-442-1679
NIIN: 014421679
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 839-SS
Manufacturer: Robert H Wager Co Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-442-1679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 3 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	4820-01-442-1679
Primary Part Number	839-SS
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Robert H Wager Co Inc
Status	ACTIVE
Style Designator	PLAIN FLANGED
Material	STEEL CORROSION RESISTING OVERALL
Seating Surface Shape	FLAT

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
839-SS PRIMARY	Robert H Wager Co 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 4820-01-442-1679?

NSN 4820-01-442-1679 is a Seat,valve, manufactured by Robert H Wager Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-442-1679?

NSN 4820-01-442-1679 has 1 manufacturer part number on file: 839-SS (Robert H Wager Co Inc).

What are the specifications of 839-SS?

Key specifications for 839-SS: Style Designator: PLAIN FLANGED; End Item Identification: 1340-01-097-6365; 5.000 IN. MODEL 1750 FLOAT VALVE IN; Material: STEEL CORROSION RESISTING OVERALL; Seating Surface Shape: FLAT. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-442-1679 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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