PartsTable TECHNICAL DATA SHEET
NSN 4730-01-566-6541Government record, cited

Reducer, Tube4730-01-566-6541

NSN 4730-01-566-6541 · NIIN 015666541 · Part number 202712-16-12S
Danfoss Power Solutions II, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 01276
Government record, cited
NSN 4730-01-566-6541 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-566-6541. Manufacturer of record part number: 202712-16-12S.
Also searched as  4730-01-566-6541 · 4730015666541 · NIIN 015666541 · 01-566-6541 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 01276 · 202712-16-12S
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Nominal Overall Length: 2.200 INCHES IN
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN
  • Nominal Thread Size: 1.312 INCHES FIRST END IN
  • Nominal Thread Size: 1.062 INCHES SECOND END IN
  • Seat Angle: 37.0 DEGREES ALL ENDS
Identification
  • NSN: 4730-01-566-6541
  • NIIN: 015666541
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 202712-16-12S
  • Manufacturer: Danfoss Power Solutions II, Llc
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-566-6541, 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 Danfoss Power Solutions II, Llc. Government technical data includes 11 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.

Technical Specifications
ParameterValue
NSN4730-01-566-6541
Primary Part Number202712-16-12S
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerDanfoss Power Solutions II, Llc
StatusACTIVE
Connection StyleFLARED (TUBE) ALL ENDS
Nominal Overall Length2.200 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Nominal Outside Diameter Tube Accommodated0.750 INCHES ALL ENDS IN
Nominal Thread Size1.312 INCHES FIRST END IN
Nominal Thread Size1.062 INCHES SECOND END IN
Seat Angle37.0 DEGREES ALL ENDS
Thread Class3A ALL ENDS A
Thread Quantity Per Inch12 ALL ENDS
MaterialSTEEL OVERALL
Thread Series DesignatorUN ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
202712-16-12S PRIMARY Danfoss Power Solutions II, Llc (USA)
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 4730-01-566-6541?

NSN 4730-01-566-6541 is a Reducer,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-566-6541?

NSN 4730-01-566-6541 has 1 manufacturer part number on file: 202712-16-12S (Danfoss Power Solutions II, Llc).

What are the specifications of 202712-16-12S?

Key specifications for 202712-16-12S: Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 2.200 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES ALL ENDS IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-566-6541 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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