NSN 4720-01-510-7233 · NIIN 015107233 · Part number 801-6640963 ASSY 122
Naval Sea Systems Command · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4720-01-510-7233 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-510-7233. Manufacturer of record part number: 801-6640963 ASSY 122.
Measuring Method and Length: 33.000 INCHES NOMINAL OVERALL IN
Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
End Connection Design: STRAIGHT FIRST END
Connection Type: THREADED EXTERNAL BOSS FIRST END
Cross-Sectional Shape Style: ROUND
Outside Diameter: 1.500 INCHES NOMINAL IN
Operating Pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Identification
NSN: 4720-01-510-7233
NIIN: 015107233
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 801-6640963 ASSY 122
Manufacturer: Naval Sea Systems Command
General Description
The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-510-7233, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4720-01-510-7233
Primary Part Number
801-6640963 ASSY 122
Item Name
Hose Assembly,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Measuring Method and Length
33.000 INCHES NOMINAL OVERALL IN
Connection Style
EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
End Connection Design
STRAIGHT FIRST END
Connection Type
THREADED EXTERNAL BOSS FIRST END
Cross-Sectional Shape Style
ROUND
Outside Diameter
1.500 INCHES NOMINAL IN
Operating Pressure
500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Direction
RIGHT-HAND FIRST END
Nominal Thread Size
3.0625 INCHES FIRST END IN
Inside Surface Condition
SMOOTH
Thread Class
3A FIRST END A
Thread Quantity Per Inch
12 FIRST END
Thread Series Designator
UNS 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.
4720-01-510-7826801-6640963 ASSY 126POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-510-8347801-6640963 ASSY 104POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-517-58422633-225-01 ASSY 204POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-626-0423801-6640963 ASSY 285 L1 30.38POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Naval Sea Systems Command
4720-01-694-9952EB3461/1-160POSSIBLE MATCH
HOSE,NONMETALLIC
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
9905-01-707-90132633-225-01-4-6POSSIBLE MATCH
TAG,MARKER
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-717-2047411-190911-1-20POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Danfoss Power Solutions II, Llc
NSN 4720-01-510-7233 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 4720-01-510-7233?
NSN 4720-01-510-7233 has 2 manufacturer part numbers on file: 801-6640963 ASSY 122 (Naval Sea Systems Command), 556-7015804-F146 (Naval Sea Systems Command).
What NSN replaces 4720-01-510-7233?
7 possible matches (shared part number, not a government interchangeability claim): 4720-01-510-7826, 4720-01-510-8347, 4720-01-517-5842. Verify interchangeability with system specifications before substitution.
What are the specifications of 801-6640963 ASSY 122?
Key specifications for 801-6640963 ASSY 122: Measuring Method and Length: 33.000 INCHES NOMINAL OVERALL IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; End Connection Design: STRAIGHT FIRST END; Connection Type: THREADED EXTERNAL BOSS FIRST END. 13 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-510-7233 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.