Nearby stock numbers← 4820-01-487-5557 Regulator, Temperature and Pressure
·
4820-01-487-5609 Seat, Valve →
4820-01-487-5598 — Valves, Nonpowered
Features
Retainer,disk,valve — FSC 4820
Identification
NSN: 4820-01-487-5598
NIIN: 014875598
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-487-5598, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
Retainer,disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-01-487-5598
Item Name
Retainer,disk,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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-487-5609199368-0001POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Marotta Controls Inc
4820-01-487-5689199367-0001POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Marotta Controls Inc
4820-01-487-5703284732-0001POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)Marotta Controls Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
284732-0001 ITEM 13
5/2Secondary reference
U.S. Government activity
284732-0001
D/9Drawing number reference only
U.S. Government activity
199369-0001
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-01-487-5609POSSIBLE MATCH
SEAT,VALVE
199368-0001
4820-01-487-5689POSSIBLE MATCH
DISK,VALVE
199367-0001
4820-01-487-5703POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
284732-0001
Frequently Asked Questions
What is NSN 4820-01-487-5598?
NSN 4820-01-487-5598 is a Retainer,disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-487-5598?
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-487-5609, 4820-01-487-5689, 4820-01-487-5703. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-487-5598 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.