NSN 4440-01-113-4563 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-113-4563. Manufacturer of record part number: 4740-G501.
Also searched as4440-01-113-4563 ·
4440011134563 ·
NIIN 011134563 ·
01-113-4563 ·
FSC 4440 Driers, Dehydrators, and Anhydrators · CAGE 22501 · 4740-G501 · 4740C
The Prefilter Assembly,dehydrator, cataloged under National Stock Number 4440-01-113-4563, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4440-01-113-4563?
NSN 4440-01-113-4563 is a Prefilter Assembly,dehydrator, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
What part numbers are listed for NSN 4440-01-113-4563?
NSN 4440-01-113-4563 has 2 manufacturer part numbers on file: 4740C (Howell Laboratories Inc Dba Howell Laboratories Inc), 4740-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc).
What are the specifications of 4740-G501?
Key specifications for 4740-G501: General Characteristics Item Description: MOISTURE REMOVAL; End Item Identification: HOWELL LABORATORIES INC,MODEL 4737D,L.P. AIR DEHYDRATOR. 1 specification is documented in the U.S. Government catalog.
Is NSN 4440-01-113-4563 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.