4730-01-520-4137 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Clamp,hose — FSC 4730
Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Fastening Device Type: THUMB HEAD SCREW
Style Designator: BAND
Specification/standard Data: 80205-NAS1924 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Inside Diameter: 1.875 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE BAND
Surface Treatment: CADMIUM OR PASSIVATE SCREW
Identification
NSN: 4730-01-520-4137
NIIN: 015204137
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Clamp,hose, cataloged under National Stock Number 4730-01-520-4137, 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 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Fastening Device Type
THUMB HEAD SCREW
Style Designator
BAND
Specification/standard Data
80205-NAS1924 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Inside Diameter
1.875 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
Surface Treatment
PASSIVATE BAND
Surface Treatment
CADMIUM OR PASSIVATE SCREW
Material
STEEL CORROSION RESISTING BAND
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
AN737TM74
2/2Government specification standardization
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 4730-01-520-4137?
NSN 4730-01-520-4137 is a Clamp,hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-520-4137?
Key specifications for 4730-01-520-4137: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Fastening Device Type: THUMB HEAD SCREW; Style Designator: BAND; Overall Width: 0.500 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-520-4137 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.