Seat, Valve4820-01-340-0335

NSN 4820-01-340-0335 · NIIN 013400335 · Part number 600991-3

Admiral Filter Company Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 25204

Government record, cited

NSN 4820-01-340-0335 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-340-0335. Manufacturer of record part number: 600991-3.

Also searched as 4820-01-340-0335 · 4820013400335 · NIIN 013400335 · 01-340-0335 · FSC 4820 Valves, Nonpowered · CAGE 25204 · 600991-3

Nearby stock numbers ← 4820-01-340-0334 Seat, Valve · 4820-01-340-0343 Valve, Regulating, Fluid Pressure →

4820-01-340-0335 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Material: STEEL SEAT
1 manufacturer part number on file
Manufacturer of record: Admiral Filter Company Llc

Identification

NSN: 4820-01-340-0335
NIIN: 013400335
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 600991-3
Manufacturer: Admiral Filter Company Llc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-340-0335, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Admiral Filter Company Llc. 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	4820-01-340-0335
Primary Part Number	600991-3
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Admiral Filter Company Llc
Status	ACTIVE
Material	STEEL SEAT

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
600991-3 PRIMARY	Admiral Filter Company Llc (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 4820-01-340-0335?

NSN 4820-01-340-0335 is a Seat,valve, manufactured by Admiral Filter Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-340-0335?

NSN 4820-01-340-0335 has 1 manufacturer part number on file: 600991-3 (Admiral Filter Company Llc).

What are the specifications of 600991-3?

Key specifications for 600991-3: Material: STEEL SEAT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-340-0335 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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