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NSN 4730-01-541-1644Government record, cited

Flange, Pipe4730-01-541-1644

NSN 4730-01-541-1644 · NIIN 015411644 · Part number 1175-16-16
Main Manufacturing Products Inc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 7X443
Government record, cited
NSN 4730-01-541-1644 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-541-1644. Manufacturer of record part number: 1175-16-16.
Also searched as  4730-01-541-1644 · 4730015411644 · NIIN 015411644 · 01-541-1644 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 7X443 · 1175-16-16
Nearby stock numbers  ·
Features
  • Flange,pipe — FSC 4730
  • Style Designator: RECTANGULAR, WITH BOLT HOLES
  • Flange Length: 3.190 INCHES NOMINAL IN
  • Bolt Hole Quantity: 4
  • Center to Center Distance Between Bolt Holes Along Length: 2.250 INCHES NOMINAL IN
  • Center to Center Distance Between Bolt Holes Along Width: 1.093 INCHES NOMINAL IN
  • Flange Width: 2.225 INCHES NOMINAL IN
  • Material: STEEL
Identification
  • NSN: 4730-01-541-1644
  • NIIN: 015411644
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 1175-16-16
  • Manufacturer: Main Manufacturing Products Inc
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-541-1644, 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 Main Manufacturing Products Inc. Government technical data includes 7 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
NSN4730-01-541-1644
Primary Part Number1175-16-16
Item NameFlange,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerMain Manufacturing Products Inc
StatusACTIVE
Style DesignatorRECTANGULAR, WITH BOLT HOLES
Flange Length3.190 INCHES NOMINAL IN
Bolt Hole Quantity4
Center to Center Distance Between Bolt Holes Along Length2.250 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width1.093 INCHES NOMINAL IN
Flange Width2.225 INCHES NOMINAL IN
MaterialSTEEL
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
1175-16-16 PRIMARY Main Manufacturing Products Inc (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 4730-01-541-1644?

NSN 4730-01-541-1644 is a Flange,pipe, manufactured by Main Manufacturing Products Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-541-1644?

NSN 4730-01-541-1644 has 1 manufacturer part number on file: 1175-16-16 (Main Manufacturing Products Inc).

What are the specifications of 1175-16-16?

Key specifications for 1175-16-16: Style Designator: RECTANGULAR, WITH BOLT HOLES; Flange Length: 3.190 INCHES NOMINAL IN; Bolt Hole Quantity: 4; Center to Center Distance Between Bolt Holes Along Length: 2.250 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-541-1644 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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