NSN 4730-00-348-5325 · NIIN 003485325 · Part number ST7M311-4
The Boeing Company Div Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 76301
Government record, cited
NSN 4730-00-348-5325 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-348-5325. Manufacturer of record part number: ST7M311-4.
Also searched as4730-00-348-5325 ·
4730003485325 ·
NIIN 003485325 ·
00-348-5325 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 76301 · ST7M311-4
4730-00-348-5325 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Sleeve,flared,tube Fitting — FSC 4730
Seat Angle in Deg: 33.0
Style Designator: SLEEVE
Sleeve Outside Diameter: 0.297 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED
Surface Treatment: PASSIVATE
Flange Width: 0.141 INCHES NOMINAL IN
Material: IRON ALLOY 660
Identification
NSN: 4730-00-348-5325
NIIN: 003485325
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: ST7M311-4
Manufacturer: The Boeing Company Div Defense
General Description
The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-00-348-5325, 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 The Boeing Company Div Defense. Government technical data includes 9 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.
Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (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 4730-00-348-5325?
NSN 4730-00-348-5325 is a Sleeve,flared,tube Fitting, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-348-5325?
NSN 4730-00-348-5325 has 2 manufacturer part numbers on file: ST7M311-4 (The Boeing Company Div Defense), ST7M311-4 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply).
What are the specifications of ST7M311-4?
Key specifications for ST7M311-4: Seat Angle in Deg: 33.0; Style Designator: SLEEVE; Overall Length: 0.406 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.297 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-348-5325 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.