NSN 4730-01-673-8446 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-673-8446. Manufacturer of record part number: KHLL3S21.
Also searched as4730-01-673-8446 ·
4730016738446 ·
NIIN 016738446 ·
01-673-8446 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 5J549 · KHLL3S21
Nearby stock numbers← 4730-01-673-8347 Tee, Tube to Boss
·
4730-01-673-8478 Coupling Half, Quick Disconnect →
4730-01-673-8446 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Half,quick Disconnect — FSC 4730
Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN
Operating Pressure: 6300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: GAS FIRST RESPONSE
Media for Which Designed: WATER SECOND RESPONSE
Material: STEEL CORROSION RESISTING OVERALL
1 manufacturer part number on file
Manufacturer of record: Dultmeier Sales Llc
Identification
NSN: 4730-01-673-8446
NIIN: 016738446
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: KHLL3S21
Manufacturer: Dultmeier Sales Llc
General Description
The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-673-8446, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dultmeier Sales Llc. Government technical data includes 5 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.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-673-8446?
NSN 4730-01-673-8446 is a Coupling Half,quick Disconnect, manufactured by Dultmeier Sales Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-673-8446?
NSN 4730-01-673-8446 has 1 manufacturer part number on file: KHLL3S21 (Dultmeier Sales Llc).
What are the specifications of KHLL3S21?
Key specifications for KHLL3S21: Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN; Operating Pressure: 6300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: ALSO USED FOR LIQUIDS; HYDRAULIC SERVICE; COMPRESSED AIR AND VACUUM; Media for Which Designed: GAS FIRST RESPONSE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-673-8446 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.