4520-99-559-7781
Duct Type Ventilation Heater
4520995597781 995597781 F1382 H1121AD
A heat transferring unit utilizing a separate source of steam or hot water as the heat transfer medium. It consists of finned parallel tubes joined together by a header or headers and is designed for installation in the ducts of a forced air circulating system. It may be provided with a flanged outer casing to facilitate mounting of the unit in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit. View more Duct Type Ventilation Heater
Managed by United Kingdom
NSN Created on 25 Apr 1991
Data Last Changed
January 2023
January 2023
NATO Update Count
1
1
NATO Data Quality

Marketplace 4520-99-559-7781
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Restrictions 4520-99-559-7781
End Users 4520-99-559-7781
- United Kingdom (ZK)
Approved Sources 4520-99-559-7781
- Part Number
- Manufacturer
- Status
- F1382
- Manufacturer
- K7588 - Biddle Air Systems Ltd (Active)
- Incomplete Reference
- Incomplete Reference
- H1121AD
- U2693 - Ministry Of Defence (Navy) (Obsolete)
- NATO Reference
- NATO Reference
NATO Stock Numbers Related to 4520-99-559-7781
4520-99-301-6343 4520-14-325-9202 4520-14-368-4874 4130-21-856-1435 4520-99-777-7674 4520-14-407-1442 4520-14-368-4888 4520-14-407-1443 4520-99-777-7771 4520-22-613-7989 4520-14-363-4603 4520-14-456-0739 4520-15-115-1116 4520-12-175-7212 4520-15-102-3907 4520-14-325-9208 4520-22-622-0349 4520-99-777-7678