PartsTable TECHNICAL DATA SHEET

NSN 4820-00-497-0464Government record, cited

Seat, Valve4820-00-497-0464

NSN 4820-00-497-0464 · NIIN 004970464

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-497-0464 · 4820004970464 · NIIN 004970464 · 00-497-0464 · FSC 4820 Valves, Nonpowered · 11304-5 · 24918

Nearby stock numbers ← 4820-00-497-0403 · 4820-00-497-0465 Disk, Valve →

4820-00-497-0464 — Valves, Nonpowered

Features

Seat,valve — FSC 4820

Identification

NSN: 4820-00-497-0464
NIIN: 004970464
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-497-0464, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-00-497-0464
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
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

⇄ Related Items 3

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2945-01-054-16833028856 POSSIBLE MATCH

FILTER ELEMENT,INTAKE AIR CLEANE

Possible match (shared part number)Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.

5365-01-481-338924918-14 POSSIBLE MATCH

SPACER,PLATE

Possible match (shared part number)United States Department of the Navy Dba Naval Surface Warfare Center Panama City

5340-01-493-296024918 POSSIBLE MATCH

SLEEVE,COUPLING,CLAMP,GROOVED

Possible match (shared part number)Tyco Fire Products Lp

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
11304-5	5/9 Secondary reference U.S. Government activity
24918	3/2 Design control — primary reference U.S. Government activity

Related Parts

2945-01-054-1683POSSIBLE MATCH

FILTER ELEMENT,INTAKE AIR CLEANE

3028856

5365-01-481-3389POSSIBLE MATCH

SPACER,PLATE

24918-14

5340-01-493-2960POSSIBLE MATCH

SLEEVE,COUPLING,CLAMP,GROOVED

24918

Frequently Asked Questions

What is NSN 4820-00-497-0464?

NSN 4820-00-497-0464 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-00-497-0464?

3 possible matches (shared part number, not a government interchangeability claim): 2945-01-054-1683, 5365-01-481-3389, 5340-01-493-2960. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-497-0464 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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