NSN 4520-01-656-1991 · NIIN 016561991 · Part number 13011A-0116
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 01365
Government record, cited
NSN 4520-01-656-1991 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-656-1991. Manufacturer of record part number: 13011A-0116.
Also searched as4520-01-656-1991 ·
4520016561991 ·
NIIN 016561991 ·
01-656-1991 ·
FSC 4520 Space and Water Heating Equipment · CAGE 01365 · 13011A-0116
Manufacturer of record: Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Identification
NSN: 4520-01-656-1991
NIIN: 016561991
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 13011A-0116
Manufacturer: Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
General Description
The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-656-1991, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-01-656-1991
Primary Part Number
13011A-0116
Item Name
Pipe,air Conditioning-Heating
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-656-1991?
NSN 4520-01-656-1991 is a Pipe,air Conditioning-Heating, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-656-1991?
NSN 4520-01-656-1991 has 1 manufacturer part number on file: 13011A-0116 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
What are the specifications of 13011A-0116?
Key specifications for 13011A-0116: Part Name Assigned by Controlling Agency: Y ADAPTER WELDED ASSEMBLY; End Item Identification: 5840-01-355-0092. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-656-1991 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.