FSC 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment · FSG 16 — Aircraft Components and Accessories
Government record, cited
Also searched as1660-00-562-3103 ·
1660005623103 ·
NIIN 005623103 ·
00-562-3103 ·
FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
FSG: 16 — Aircraft Components and Accessories
General Description
The Screw,spring,adjust, cataloged under National Stock Number 1660-00-562-3103, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Screw,spring,adjust
FSC / FSG
1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment (FSG 16)
Technical Specifications
Parameter
Value
NSN
1660-00-562-3103
Item Name
Screw,spring,adjust
FSC / FSG
1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-00-870-4111815492POSSIBLE MATCH
PRINTED WIRING BOARD
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-269-719681549-2POSSIBLE MATCH
REACTOR
Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace
5940-01-311-2456815-492POSSIBLE MATCH
TERMINAL,QUICK DISCONNECT
Possible match (shared part number)Del Norte Technology Inc
5340-01-496-4120815492POSSIBLE MATCH
BRACKET,ANGLE
Possible match (shared part number)Dana Commercial Vehicle Products, Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
815492
3/2Design control — primary reference
U.S. Government activity
Related Parts
5998-00-870-4111POSSIBLE MATCH
PRINTED WIRING BOARD
815492
5950-01-269-7196POSSIBLE MATCH
REACTOR
81549-2
5940-01-311-2456POSSIBLE MATCH
TERMINAL,QUICK DISCONNECT
815-492
5340-01-496-4120POSSIBLE MATCH
BRACKET,ANGLE
815492
Frequently Asked Questions
What is NSN 1660-00-562-3103?
NSN 1660-00-562-3103 is a Screw,spring,adjust, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
What NSN replaces 1660-00-562-3103?
4 possible matches (shared part number, not a government interchangeability claim): 5998-00-870-4111, 5950-01-269-7196, 5940-01-311-2456. Verify interchangeability with system specifications before substitution.
Is NSN 1660-00-562-3103 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 1660-00-562-3103?
NSN 1660-00-562-3103 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.