NSN 4720-01-388-4749 · NIIN 013884749 · Part number 6351097-5
Naval Sea Systems Command · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4720-01-388-4749 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-388-4749. Manufacturer of record part number: 6351097-5.
Also searched as4720-01-388-4749 ·
4720013884749 ·
NIIN 013884749 ·
01-388-4749 ·
FSC 4720 Hose and Flexible Tubing · CAGE 53711 · 6351097-5 · 6351097
Measuring Method and Length: 30.000 INCHES NOMINAL OVERALL IN
Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Minimum Inside Bending Radius: 1.750 INCHES IN
Connection Style: PLAIN FIRST END
End Connection Design: STRAIGHT FIRST END
Layer Composition and Location: 1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Connection Type: THREADED EXTERNAL TUBE FIRST END
Identification
NSN: 4720-01-388-4749
NIIN: 013884749
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 6351097-5
Manufacturer: Naval Sea Systems Command
General Description
The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-388-4749, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-388-4749
Primary Part Number
6351097-5
Item Name
Hose Assembly,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Measuring Method and Length
30.000 INCHES NOMINAL OVERALL IN
Temp Rating
-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Minimum Inside Bending Radius
1.750 INCHES IN
Connection Style
PLAIN FIRST END
End Connection Design
STRAIGHT FIRST END
Layer Composition and Location
1ST LAYER BRAIDED TEXTILE YARN AND 2ND LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Connection Type
THREADED EXTERNAL TUBE FIRST END
Cross-Sectional Shape Style
ROUND
Outside Diameter
0.750 INCHES NOMINAL IN
Operating Pressure
225.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Features Provided
REUSABLE END FITTINGS
Thread Direction
RIGHT-HAND FIRST END
Nominal Thread Size
0.250 INCHES FIRST END IN
Inside Diameter
0.375 INCHES NOMINAL IN
Inside Surface Condition
SMOOTH
Media for Which Designed
AIR SINGLE RESPONSE
Hydrostatic Test Pressure
450.0 POUNDS PER SQUARE INCH LBS
Burst Test Pressure
900.0 POUNDS PER SQUARE INCH LBS
Thread Series Designator
NPT FIRST END
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
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-388-47506351097-6POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-48286351097-3POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-54036351097-8POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-54516351097-1POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-55066351097-2POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-55666351097-14POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-388-55806351097-9POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
NSN 4720-01-388-4749 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-388-4749?
NSN 4720-01-388-4749 has 1 manufacturer part number on file: 6351097-5 (Naval Sea Systems Command).
What NSN replaces 4720-01-388-4749?
7 possible matches (shared part number, not a government interchangeability claim): 4720-01-388-4750, 4720-01-388-4828, 4720-01-388-5403. Verify interchangeability with system specifications before substitution.
What are the specifications of 6351097-5?
Key specifications for 6351097-5: Measuring Method and Length: 30.000 INCHES NOMINAL OVERALL IN; Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 1.750 INCHES IN; Connection Style: PLAIN FIRST END. 19 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-388-4749 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.