The Regulator,back Pressure, cataloged under National Stock Number 4440-00-562-9818, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4440-00-562-9818
Item Name
Regulator,back Pressure
FSC / FSG
4440 / 44 — Driers, Dehydrators, and Anhydrators
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
A20523-003
5/9Secondary reference
Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies
A20523-3
3/9Design control — primary reference
Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies
00220523003
5/9Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4440 — Driers, Dehydrators, and Anhydrators
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4440-00-001-6294
4440-00-001-6294 · Item name not on file
4440-00-001-6296
4440-00-001-6296 · Item name not on file
4440-00-005-5084
DEHYDRATOR UNIT,NONREACTIVATING
4440-00-006-0073
CARTRIDGE,DEHYDRATOR
4440-00-007-2318
TIMER
4440-00-008-4864
SENSOR ASSEMBLY,HUM
4440-00-009-4422
4440-00-009-4422 · Item name not on file
4440-00-009-5282
4440-00-009-5282 · Item name not on file
Frequently Asked Questions
What is NSN 4440-00-562-9818?
NSN 4440-00-562-9818 is a Regulator,back Pressure, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
What are the specifications of 4440-00-562-9818?
Key specifications for 4440-00-562-9818: End Item Identification: TRANSMITTER-RECEIVER MODEL AN/FPS110. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4440-00-562-9818 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.