Valve Model Number for Which Designed: MODEL FSU202-1
Valve Design Control Activity: 94861
Identification
NSN: 4820-01-322-9210
NIIN: 013229210
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Ball,check, cataloged under National Stock Number 4820-01-322-9210, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4820-01-322-9210
Item Name
Ball,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Valve Model Number for Which Designed
MODEL FSU202-1
Valve Design Control Activity
94861
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.
5905-01-328-453397012-502POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5905-01-667-880497012-101POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5905-01-684-401097012-100POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
Possible match (shared part number)Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
9-7012
3/2Design control — primary reference
U.S. Government activity
Related Parts
5905-01-328-4533POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
97012-502
5905-01-667-8804POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
97012-101
5905-01-684-4010POSSIBLE MATCH
RESISTOR,VARIABLE,NONWIRE WOUND,
97012-100
Frequently Asked Questions
What is NSN 4820-01-322-9210?
NSN 4820-01-322-9210 is a Ball,check, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-322-9210?
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-328-4533, 5905-01-667-8804, 5905-01-684-4010. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-322-9210?
Key specifications for 4820-01-322-9210: Valve Model Number for Which Designed: MODEL FSU202-1; Valve Design Control Activity: 94861. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-322-9210 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.