NSN 4720-01-684-9364 · NIIN 016849364 · Part number 11521K
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 49576
Government record, cited
NSN 4720-01-684-9364 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-684-9364. Manufacturer of record part number: 11521K.
Also searched as4720-01-684-9364 ·
4720016849364 ·
NIIN 016849364 ·
01-684-9364 ·
FSC 4720 Hose and Flexible Tubing · CAGE 49576 · 11521K
Manufacturer of record: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Identification
NSN: 4720-01-684-9364
NIIN: 016849364
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 11521K
Manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
General Description
The Hose,nonmetallic, cataloged under National Stock Number 4720-01-684-9364, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 3 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.
Technical Specifications
Parameter
Value
NSN
4720-01-684-9364
Primary Part Number
11521K
Item Name
Hose,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
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 4720-01-684-9364?
NSN 4720-01-684-9364 is a Hose,nonmetallic, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-684-9364?
NSN 4720-01-684-9364 has 1 manufacturer part number on file: 11521K (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
What are the specifications of 11521K?
Key specifications for 11521K: Cross-Sectional Shape Style: ROUND; Inside Diameter: 1.25 INCHES NOMINAL IN; Special Features: REPLACEMENT KIT,INCLUDES 1 INTERCOOLER;2 TUBE FITTING, MALE CONNECTOR, 1.25TUBE X 1.25 NPT; Media for Which Designed: FUEL FIRST RESPONSE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-684-9364 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.