NSN 4520-01-632-9451 · NIIN 016329451 · Part number 2013K22
Mcmaster-Carr Supply Co · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 39428
Government record, cited
NSN 4520-01-632-9451 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-632-9451. Manufacturer of record part number: 2013K22.
Also searched as4520-01-632-9451 ·
4520016329451 ·
NIIN 016329451 ·
01-632-9451 ·
FSC 4520 Space and Water Heating Equipment · CAGE 39428 · 2013K22
Nearby stock numbers← 4520-01-632-9448 Elbow, Air Conditioning-Heating
·
4520-01-633-0363 Pipe, Air Conditioning-Heating →
Features
Pipe,air Conditioning-Heating — FSC 4520
Length: 7.500 INCHES NOMINAL IN
Shape: ROUND
Construction: SINGLE
Material: STEEL
Cross-Sectional Diameter: 6.000 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
Material Thickness: 0.012 INCHES IN
1 manufacturer part number on file
Identification
NSN: 4520-01-632-9451
NIIN: 016329451
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 2013K22
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Pipe,air Conditioning-Heating, cataloged under National Stock Number 4520-01-632-9451, 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 Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4520-01-632-9451?
NSN 4520-01-632-9451 is a Pipe,air Conditioning-Heating, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-632-9451?
NSN 4520-01-632-9451 has 1 manufacturer part number on file: 2013K22 (Mcmaster-Carr Supply Co).
What are the specifications of 2013K22?
Key specifications for 2013K22: Length: 7.500 INCHES NOMINAL IN; Shape: ROUND; Construction: SINGLE; Special Features: OEM NATIONAL EXCELSIOR CO 708-418-6601; P/N M128471. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-632-9451 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.