PartsTable TECHNICAL DATA SHEET
NSN 4730-01-274-8403Government record, cited

Adapter, Straight, Pipe to Tube4730-01-274-8403

NSN 4730-01-274-8403 · NIIN 012748403 · Part number A-810-11-8
Swagelok Co · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3T9T9
Government record, cited
NSN 4730-01-274-8403 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-274-8403. Manufacturer of record part number: A-810-11-8.
Also searched as  4730-01-274-8403 · 4730012748403 · NIIN 012748403 · 01-274-8403 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 3T9T9 · A-810-11-8
Nearby stock numbers  ·
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: FLARELESS (TUBE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 2.281 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
Identification
  • NSN: 4730-01-274-8403
  • NIIN: 012748403
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: A-810-11-8
  • Manufacturer: Swagelok Co
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-274-8403, 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 13 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
NSN4730-01-274-8403
Primary Part NumberA-810-11-8
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSwagelok Co
StatusACTIVE
Connection StyleFLARELESS (TUBE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length2.281 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Nominal Thread Size0.500 INCHES SECOND END IN
Nominal Thread Size0.750 INCHES FIRST END IN
Seat Angle20.0 DEGREES FIRST END
Thread Class3A FIRST END A
MaterialALUMINUM OVERALL
Thread Series DesignatorNPT SECOND END
Thread Series DesignatorUNF FIRST END
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
A-810-11-8 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 4730-01-274-8403?

NSN 4730-01-274-8403 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 4730-01-274-8403?

NSN 4730-01-274-8403 has 1 manufacturer part number on file: A-810-11-8 (Swagelok Co).

What are the specifications of A-810-11-8?

Key specifications for A-810-11-8: Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 2.281 INCHES IN; Connection Type: THREADED EXTERNAL PIPE SECOND END. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-274-8403 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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