FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4730-01-388-7643 ·
4730013887643 ·
NIIN 013887643 ·
01-388-7643 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings
Nearby stock numbers← 4730-01-388-7594 Manifold, Hydraulic System Access
·
4730-01-388-8112 Elbow, Tube to Hose →
4730-01-388-7643 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Adapter,straight,tube to Boss — FSC 4730
Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Connection Style: PLAIN (TUBE) FIRST END
Nominal Overall Length: 1.585 INCHES IN
Connection Type: THREADED EXTERNAL BOSS SECOND END
Connection Type: UNTHREADED EXTERNAL TUBE FIRST END
Material Document and Classification: MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size: 0.313 INCHES SECOND END IN
Identification
NSN: 4730-01-388-7643
NIIN: 013887643
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-388-7643, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size
0.313 INCHES SECOND END IN
Thread Class
2A SECOND END A
Material
STEEL COMP 4340 OVERALL
Thread Series Designator
UNF SECOND END
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3614444-1
3/2Design control — primary reference
U.S. Government activity
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 4730-01-388-7643?
NSN 4730-01-388-7643 is a Adapter,straight,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-388-7643?
Key specifications for 4730-01-388-7643: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 1.585 INCHES IN; Connection Type: THREADED EXTERNAL BOSS SECOND END. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-388-7643 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.