PartsTable TECHNICAL DATA SHEET
NSN 4730-01-013-5781Government record, cited

Adapter, Straight, Flange to Tube4730-01-013-5781

NSN 4730-01-013-5781 · NIIN 010135781 · Part number 2701610-1
Honeywell International Inc. Div Aerospace - Torrance · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 70210
Government record, cited
NSN 4730-01-013-5781 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-013-5781. Manufacturer of record part number: 2701610-1.
Also searched as  4730-01-013-5781 · 4730010135781 · NIIN 010135781 · 01-013-5781 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 70210 · 2701610-1 · 013-5781
Nearby stock numbers  ·
Features
  • Adapter,straight,flange to Tube — FSC 4730
  • Recess Nominal Depth: 0.145 INCHES SECOND END IN
  • Flange Shape: ROUND SECOND END
  • Flange Face Design: RECESSED STRAIGHT SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Nominal Overall Length: 4.100 INCHES IN
  • Connection Type: FLANGE SECOND END
  • Connection Type: UNTHREADED EXTERNAL TUBE FIRST END
Identification
  • NSN: 4730-01-013-5781
  • NIIN: 010135781
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 2701610-1
  • Manufacturer: Honeywell International Inc. Div Aerospace - Torrance
General Description

The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-013-5781, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-013-5781
Primary Part Number2701610-1
Item NameAdapter,straight,flange to Tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Recess Nominal Depth0.145 INCHES SECOND END IN
Flange ShapeROUND SECOND END
Flange Face DesignRECESSED STRAIGHT SECOND END
Connection StylePLAIN (TUBE) FIRST END
Nominal Overall Length4.100 INCHES IN
Connection TypeFLANGE SECOND END
Connection TypeUNTHREADED EXTERNAL TUBE FIRST END
Nominal Outside Diameter Tube Accommodated2.930 INCHES FIRST END IN
Nominal Outside Diameter4.500 INCHES SECOND END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Nominal Thickness0.125 INCHES SECOND END IN
Recess Nominal Diameter3.620 INCHES SECOND END IN
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
2701610-1 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
013-5781 PRIMARY Aircraft Metal Products Corp. (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 4730-01-013-5781?

NSN 4730-01-013-5781 is a Adapter,straight,flange to Tube, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-013-5781?

NSN 4730-01-013-5781 has 2 manufacturer part numbers on file: 2701610-1 (Honeywell International Inc. Div Aerospace - Torrance), 013-5781 (Aircraft Metal Products Corp.).

What are the specifications of 2701610-1?

Key specifications for 2701610-1: Recess Nominal Depth: 0.145 INCHES SECOND END IN; Flange Shape: ROUND SECOND END; Flange Face Design: RECESSED STRAIGHT SECOND END; Connection Style: PLAIN (TUBE) FIRST END. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-013-5781 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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