NSN 1660-01-375-9985 · NIIN 013759985 · Part number 52E61-3
Grimes Aerospace Company · FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 72914
Government record, cited
NSN 1660-01-375-9985 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-375-9985. Manufacturer of record part number: 52E61-3.
Also searched as1660-01-375-9985 ·
1660013759985 ·
NIIN 013759985 ·
01-375-9985 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment · CAGE 72914 · 52E61-3 · 52E61-1
Nearby stock numbers← 1660-01-375-8708 Duct Assembly, Air Conditioning-H
·
1660-01-376-0274 Grille, Metal →
Features
Valve Assembly,environmental Con — FSC 1660
1 manufacturer part number on file
Manufacturer of record: Grimes Aerospace Company
Identification
NSN: 1660-01-375-9985
NIIN: 013759985
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 52E61-3
Manufacturer: Grimes Aerospace Company
General Description
The Valve Assembly,environmental Con, cataloged under National Stock Number 1660-01-375-9985, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Grimes Aerospace Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1660-01-375-9985
Primary Part Number
52E61-3
Item Name
Valve Assembly,environmental Con
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Other items in FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1660-00-001-1693
DUCT ASSEMBLY,AIR CONDITIONING-H
1660-00-001-1754
BAFFLE,AIR
1660-00-001-2491
CAGE,BYPASS VALVE
1660-00-001-2493
1660-00-001-2493 · Item name not on file
1660-00-001-2496
CONTROL BOX,ELECTRICAL-ELECTRONI
1660-00-001-2497
1660-00-001-2497 · Item name not on file
1660-00-001-4130
1660-00-001-4130 · Item name not on file
1660-00-001-4479
CONTROLLER,AIR PRESSURE,AIRCRAFT
Frequently Asked Questions
What is NSN 1660-01-375-9985?
NSN 1660-01-375-9985 is a Valve Assembly,environmental Con, manufactured by Grimes Aerospace Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What part numbers are listed for NSN 1660-01-375-9985?
NSN 1660-01-375-9985 has 1 manufacturer part number on file: 52E61-3 (Grimes Aerospace Company).
What are the specifications of 52E61-3?
Key specifications for 52E61-3: End Item Identification: AIRCRAFT MODEL AV-8. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1660-01-375-9985 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.
What is the DEMIL code for NSN 1660-01-375-9985?
NSN 1660-01-375-9985 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.