4730-01-175-6353 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Locknut,tube Fitting — FSC 4730
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.375 INCHES IN
Thread Class: 2B
Thread Quantity Per Inch: 16
Material: STEEL OVERALL
Identification
NSN: 4730-01-175-6353
NIIN: 011756353
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-175-6353, 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 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.375 INCHES IN
Thread Class
2B
Thread Quantity Per Inch
16
Material
STEEL OVERALL
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
55656017
3/9Design control — primary reference
U S Para Plate Corp Div Hi Gear Ball Valves
410653 ITEM 29
5/9Secondary reference
U S Para Plate Corp Div Hi Gear Ball Valves
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 4730-01-175-6353?
NSN 4730-01-175-6353 is a Locknut,tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-175-6353?
Key specifications for 4730-01-175-6353: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-175-6353 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.