NSN 4730-01-643-9247 · NIIN 016439247 · Part number 311-3548
Caterpillar Inc Div Caterpillar Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 11083
Government record, cited
NSN 4730-01-643-9247 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-643-9247. Manufacturer of record part number: 311-3548.
Also searched as4730-01-643-9247 ·
4730016439247 ·
NIIN 016439247 ·
01-643-9247 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 11083 · 311-3548
4730-01-643-9247 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Expansion Joint,pipe — FSC 4730
Design Type: CORRUGATED ELEMENT
Supplementary Features: I.D. 92.00 MM; 1ST END FLANGE THICKNESS: 3.6 MM; 2ND END FLANGE THICKNESS; 15.0 MM; 7-CORRUGATIONS; 56 MM FROM 1ST TO 7TH CORRUGATION MM
End Connection Type: FLANGED
Bolt Hole Diameter: 10.5 MILLIMETERS NOMINAL MM
Bolt Hole Quantity: 6
Bolt Circle Diameter: 220.0 MILLIMETERS NOMINAL MM
Joint Type: SINGLE
Identification
NSN: 4730-01-643-9247
NIIN: 016439247
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 311-3548
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-643-9247, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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.
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 4730-01-643-9247?
NSN 4730-01-643-9247 is a Expansion Joint,pipe, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-643-9247?
NSN 4730-01-643-9247 has 1 manufacturer part number on file: 311-3548 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 311-3548?
Key specifications for 311-3548: Design Type: CORRUGATED ELEMENT; Supplementary Features: I.D. 92.00 MM; 1ST END FLANGE THICKNESS: 3.6 MM; 2ND END FLANGE THICKNESS; 15.0 MM; 7-CORRUGATIONS; 56 MM FROM 1ST TO 7TH CORRUGATION MM; End Connection Type: FLANGED; Bolt Hole Diameter: 10.5 MILLIMETERS NOMINAL MM. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-643-9247 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.