The Disk,valve, cataloged under National Stock Number 4820-00-194-4885, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-194-4885
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Material
ALUMINUM
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-00-212-8589POSSIBLE MATCH
GASKET
Possible match (shared part number)
4730-00-756-105226985POSSIBLE MATCH
NIPPLE,TUBE
Possible match (shared part number)Triumph Thermal Systems - Maryland, Inc.
5930-00-821-539026985POSSIBLE MATCH
GUARD,SWITCH
Possible match (shared part number)Grimes Aerospace Company
5120-00-935-4545POSSIBLE MATCH
INSERTER,SCREW THREAD INSERT
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
26985
3/2Design control — primary reference
U.S. Government activity
Related Parts
5330-00-212-8589POSSIBLE MATCH
GASKET
4730-00-756-1052POSSIBLE MATCH
NIPPLE,TUBE
26985
5930-00-821-5390POSSIBLE MATCH
GUARD,SWITCH
26985
5120-00-935-4545POSSIBLE MATCH
INSERTER,SCREW THREAD INSERT
Frequently Asked Questions
What is NSN 4820-00-194-4885?
NSN 4820-00-194-4885 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-194-4885?
4 possible matches (shared part number, not a government interchangeability claim): 5330-00-212-8589, 4730-00-756-1052, 5930-00-821-5390. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-194-4885?
Key specifications for 4820-00-194-4885: Special Features: 0.805 IN. O/A LG; 1.060 IN. OD IN; Material: ALUMINUM. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-194-4885 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.