PartsTable TECHNICAL DATA SHEET
NSN 4730-01-686-2945Government record, cited

Adapter, Straight, Pipe to Tube4730-01-686-2945

NSN 4730-01-686-2945 · NIIN 016862945 · Part number M-8-HN-8RS
Swagelok Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3T9T9
Government record, cited
NSN 4730-01-686-2945 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-686-2945. Manufacturer of record part number: M-8-HN-8RS.
Also searched as  4730-01-686-2945 · 4730016862945 · NIIN 016862945 · 01-686-2945 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 3T9T9 · M-8-HN-8RS
Nearby stock numbers  ·
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Flange Shape: HEXAGON WITH HOLES ALL ENDS
  • Nominal Length: 1.75 INCHES ALL ENDS IN
  • Inlet Location: HIGH HEEL FIRST INLET
  • Inlet Location: LOW HEEL SECOND INLET
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Style Designator: GROOVED AND THREADED EXTERNAL
  • Nominal Thread Size: 0.5 INCHES ALL ENDS IN
Identification
  • NSN: 4730-01-686-2945
  • NIIN: 016862945
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: M-8-HN-8RS
  • Manufacturer: Swagelok Co
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-686-2945, 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 Swagelok Co. Government technical data includes 9 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
NSN4730-01-686-2945
Primary Part NumberM-8-HN-8RS
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSwagelok Co
StatusACTIVE
Flange ShapeHEXAGON WITH HOLES ALL ENDS
Nominal Length1.75 INCHES ALL ENDS IN
Inlet LocationHIGH HEEL FIRST INLET
Inlet LocationLOW HEEL SECOND INLET
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Style DesignatorGROOVED AND THREADED EXTERNAL
Nominal Thread Size0.5 INCHES ALL ENDS IN
MaterialNICKEL AND COPPER ALLOY BODY
Thread Series DesignatorNPT 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
M-8-HN-8RS PRIMARY Swagelok Co (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 4730-01-686-2945?

NSN 4730-01-686-2945 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-686-2945?

NSN 4730-01-686-2945 has 1 manufacturer part number on file: M-8-HN-8RS (Swagelok Co).

What are the specifications of M-8-HN-8RS?

Key specifications for M-8-HN-8RS: Flange Shape: HEXAGON WITH HOLES ALL ENDS; Nominal Length: 1.75 INCHES ALL ENDS IN; Inlet Location: HIGH HEEL FIRST INLET; Inlet Location: LOW HEEL SECOND INLET. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-686-2945 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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