NSN 4720-01-444-1671 · NIIN 014441671 · Part number 6743984-003
Lake Shore Systems, Inc. · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 34712
Government record, cited
NSN 4720-01-444-1671 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-444-1671. Manufacturer of record part number: 6743984-003.
Also searched as4720-01-444-1671 ·
4720014441671 ·
NIIN 014441671 ·
01-444-1671 ·
FSC 4720 Hose and Flexible Tubing · CAGE 34712 · 6743984-003 · 6743984
Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Inside Surface Condition: SMOOTH
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.
Identification
NSN: 4720-01-444-1671
NIIN: 014441671
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 6743984-003
Manufacturer: Lake Shore Systems, Inc.
General Description
The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-444-1671, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
4720-01-444-1671
Primary Part Number
6743984-003
Item Name
Hose Assembly,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
Connection Style
SWIVEL NUT FLARE FIRST END
Connection Type
THREADED INTERNAL TUBE FIRST END
Cross-Sectional Shape Style
ROUND
Operating Pressure
1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Inside Surface Condition
SMOOTH
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-444-16766743984-004POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-16816743984-006POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-16896743984-010POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-18456743984-005POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-18506743984-012POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-26126743984-018POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-38836743984-008POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-38886743984-011POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-38906743984-013POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
4720-01-444-38936743984-015POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Lake Shore Systems, Inc.
NSN 4720-01-444-1671 is a Hose Assembly,nonmetallic, manufactured by Lake Shore Systems, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-444-1671?
NSN 4720-01-444-1671 has 2 manufacturer part numbers on file: 6743984-003 (Lake Shore Systems, Inc.), 6743984-003 (Naval Sea Systems Command).
What NSN replaces 4720-01-444-1671?
11 possible matches (shared part number, not a government interchangeability claim): 4720-01-444-1676, 4720-01-444-1681, 4720-01-444-1689. Verify interchangeability with system specifications before substitution.
What are the specifications of 6743984-003?
Key specifications for 6743984-003: Connection Style: SWIVEL NUT FLARE FIRST END; Connection Type: THREADED INTERNAL TUBE FIRST END; Cross-Sectional Shape Style: ROUND; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-444-1671 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.