NSN 4720-01-699-3771 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-699-3771. Manufacturer of record part number: 5526-050X50.
Also searched as4720-01-699-3771 ·
4720016993771 ·
NIIN 016993771 ·
01-699-3771 ·
FSC 4720 Hose and Flexible Tubing · CAGE 16632 · 5526-050X50 · 5526-050/50
Measuring Method and Length: 50.0 FEET NOMINAL OVERALL FT
Temp Rating: -54.0 CELSIUS AND 177.0 CELSIUS SINGLE RESPONSE DEGC
Cross-Sectional Shape Style: ROUND
Inside Diameter: 0.5 INCHES NOMINAL IN
Media for Which Designed: LIQUID AND FLUIDS SINGLE RESPONSE
Burst Test Pressure: 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Inner Conveying Tube Style: PLAIN
Identification
NSN: 4720-01-699-3771
NIIN: 016993771
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 5526-050X50
Manufacturer: Flexfab Llc
General Description
The Hose,nonmetallic, cataloged under National Stock Number 4720-01-699-3771, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-699-3771
Primary Part Number
5526-050X50
Item Name
Hose,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Flexfab Llc
Status
ACTIVE
Measuring Method and Length
50.0 FEET NOMINAL OVERALL FT
Temp Rating
-54.0 CELSIUS AND 177.0 CELSIUS SINGLE RESPONSE DEGC
R P Wallis Wholesale Darlan Investments Pty Ltd (AUS)
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 4720-01-699-3771?
NSN 4720-01-699-3771 is a Hose,nonmetallic, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-699-3771?
NSN 4720-01-699-3771 has 2 manufacturer part numbers on file: 5526-050X50 (Flexfab Llc), 5526-050/50 (R P Wallis Wholesale Darlan Investments Pty Ltd).
What are the specifications of 5526-050X50?
Key specifications for 5526-050X50: Measuring Method and Length: 50.0 FEET NOMINAL OVERALL FT; Temp Rating: -54.0 CELSIUS AND 177.0 CELSIUS SINGLE RESPONSE DEGC; Cross-Sectional Shape Style: ROUND; Inside Diameter: 0.5 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-699-3771 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.