The Valve,check, cataloged under National Stock Number 4820-01-720-9884, 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Supply Class 4820 (Valves, Nonpowered) of the Valves group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
Valve,check
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Technical Specifications
Parameter
Value
NSN
4820-01-720-9884
Item Name
Valve,check
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-720-9886D1VL001DNPOSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Parker Hannifin Corporation Div Aerospace Group Headquarters
4810-01-720-9887D1VL001CNPOSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Parker Hannifin Corporation Div Aerospace Group Headquarters
4330-01-720-9888PT2210QBGGS161POSSIBLE MATCH
FILTER ELEMENT,FLUID
Possible match (shared part number)Parker Hannifin Corporation Div Aerospace Group Headquarters
3010-01-721-0972M20011210DSSPOSSIBLE MATCH
COUPLING HALF,SHAFT
Possible match (shared part number)Lovejoy, Llc Div Lovejoy
3040-01-721-15995201POSSIBLE MATCH
BREATHER
Possible match (shared part number)Ldi Industries, Inc. Dba Ldi Industries Inc
3010-01-721-1890M20002406DSSPOSSIBLE MATCH
COUPLING HALF,SHAFT
Possible match (shared part number)Lovejoy, Llc Div Lovejoy
6685-01-722-545825-500-3000-PSI/KPA-1/4POSSIBLE MATCH
GAGE,PRESSURE,DIAL INDICATING
Possible match (shared part number)Noshok Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
PD1260 REV C ITEM 5.0
C/1Advisory reference — outside the item-of-supply concept
Federal Equipment Co
PD1260
D/9Drawing number reference only
Federal Equipment Co
DT-750-MOMF-1
3/2Design control — primary reference
U.S. Government activity
Related Parts
4810-01-720-9886POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
D1VL001DN
4810-01-720-9887POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
D1VL001CN
4330-01-720-9888POSSIBLE MATCH
FILTER ELEMENT,FLUID
PT2210QBGGS161
3010-01-721-0972POSSIBLE MATCH
COUPLING HALF,SHAFT
M20011210DSS
3040-01-721-1599POSSIBLE MATCH
BREATHER
5201
3010-01-721-1890POSSIBLE MATCH
COUPLING HALF,SHAFT
M20002406DSS
6685-01-722-5458POSSIBLE MATCH
GAGE,PRESSURE,DIAL INDICATING
25-500-3000-PSI/KPA-1/4
Frequently Asked Questions
What is NSN 4820-01-720-9884?
NSN 4820-01-720-9884 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-720-9884?
7 possible matches (shared part number, not a government interchangeability claim): 4810-01-720-9886, 4810-01-720-9887, 4330-01-720-9888. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-720-9884 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.