Hose, Air Duct 4720-01-618-2511 NSN 4720-01-618-2511 · NIIN 016182511 · Part number 21A18-04C12-4
Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 14711
NSN 4720-01-618-2511 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-618-2511. Manufacturer of record part number: 21A18-04C12-4 .
Also searched as
4720-01-618-2511 ·
4720016182511 ·
NIIN 016182511 ·
01-618-2511 ·
FSC 4720 Hose and Flexible Tubing · CAGE 14711 · 21A18-04C12-4 · LE271-0104-0404
Nearby stock numbers
← 4720-01-618-2492 Hose, Air Duct
·
4720-01-618-2516 Hose Assembly, Nonmetallic →
END VIEW
PIPE CROSS SECTION
4720-01-618-2511 — Hose and Flexible Tubing
Features
Hose,air Duct — FSC 4720 1 manufacturer part number on file Manufacturer of record: Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc
Identification
NSN: 4720-01-618-2511
NIIN: 016182511
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 21A18-04C12-4
Manufacturer: Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc
General Description
The Hose,air Duct, cataloged under National Stock Number 4720-01-618-2511, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name Hose,air Duct FSC / FSG 4720 — Hose and Flexible Tubing (FSG 47) Manufacturers Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (CAGE 14711)
Technical Specifications
Parameter Value NSN 4720-01-618-2511 Primary Part Number 21A18-04C12-4 Item Name Hose,air Duct FSC / FSG 4720 / 47 — Hose and Flexible Tubing Manufacturer Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
21A18-04C12-4 PRIMARY Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA)
Reference documents
Reference Meaning
LE271-0104-0404
7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m
No interchangeability data on file.
Other items in FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080
HOSE ASSEMBLY,NONMETALLIC
4720-00-000-0081
4720-00-000-0081 · Item name not on file
4720-00-000-0084
HOSE,PREFORMED
4720-00-000-0724
4720-00-000-0724 · Item name not on file
4720-00-001-0014
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0015
4720-00-001-0015 · Item name not on file
4720-00-001-0023
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0025
4720-00-001-0025 · Item name not on file
Frequently Asked Questions
What is NSN 4720-01-618-2511?
NSN 4720-01-618-2511 is a Hose,air Duct, manufactured by Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-618-2511?
NSN 4720-01-618-2511 has 1 manufacturer part number on file: 21A18-04C12-4 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc).
Is NSN 4720-01-618-2511 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.
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