NSN 4730-01-391-9956 · NIIN 013919956 · Part number MK 1515
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 4730-01-391-9956 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-391-9956. Manufacturer of record part number: MK 1515.
Also searched as4730-01-391-9956 ·
4730013919956 ·
NIIN 013919956 ·
01-391-9956 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 7X443 · MK 1515
Nearby stock numbers← 4730-01-391-9953 Adapter, Straight, Pipe to Boss
·
4730-01-391-9961 Nipple, Pipe →
4730-01-391-9956 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Flange,pipe — FSC 4730
Nominal Pipe Size for Which Designed: 0.500 INCHES IN
1 manufacturer part number on file
Manufacturer of record: Main Manufacturing Products Inc
Identification
NSN: 4730-01-391-9956
NIIN: 013919956
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: MK 1515
Manufacturer: Main Manufacturing Products Inc
General Description
The Flange,pipe, cataloged under National Stock Number 4730-01-391-9956, 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 1 specification, 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.
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 4730-01-391-9956?
NSN 4730-01-391-9956 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 4730-01-391-9956?
NSN 4730-01-391-9956 has 1 manufacturer part number on file: MK 1515 (Main Manufacturing Products Inc).
What are the specifications of MK 1515?
Key specifications for MK 1515: Nominal Pipe Size for Which Designed: 0.500 INCHES IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4730-01-391-9956 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.