PartsTable TECHNICAL DATA SHEET

NSN 4730-01-280-0997Government record, cited

Coupling Half, Quick Disconnect4730-01-280-0997

NSN 4730-01-280-0997 · NIIN 012800997 · Part number LL3K21-BS

Tuthill Corp Hansen Coupling Div · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 73992

Government record, cited

NSN 4730-01-280-0997 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-280-0997. Manufacturer of record part number: LL3K21-BS.

Also searched as 4730-01-280-0997 · 4730012800997 · NIIN 012800997 · 01-280-0997 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 73992 · LL3K21-BS · ASC1259167

Nearby stock numbers ← 4730-01-280-0996 Coupling Half, Quick Disconnect · 4730-01-280-0998 →

4730-01-280-0997 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Coupling Half,quick Disconnect — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Tuthill Corp Hansen Coupling Div

Identification

NSN: 4730-01-280-0997
NIIN: 012800997
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: LL3K21-BS
Manufacturer: Tuthill Corp Hansen Coupling Div

General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-280-0997, 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 Tuthill Corp Hansen Coupling Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Coupling Half,quick Disconnect
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Tuthill Corp Hansen Coupling Div (CAGE 73992)

Technical Specifications

Parameter	Value
NSN	4730-01-280-0997
Primary Part Number	LL3K21-BS
Item Name	Coupling Half,quick Disconnect
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Tuthill Corp Hansen Coupling Div
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
LL3K21-BS PRIMARY	Tuthill Corp Hansen Coupling Div (USA)

Reference documents

Reference	Meaning
ASC1259167	5/9 Secondary reference Asc Pty Ltd

No interchangeability data on file.

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 4730-01-280-0997?

NSN 4730-01-280-0997 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-280-0997?

NSN 4730-01-280-0997 has 1 manufacturer part number on file: LL3K21-BS (Tuthill Corp Hansen Coupling Div).

Is NSN 4730-01-280-0997 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.

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