4730-01-507-0797 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor Unit,fluid Flow — FSC 4730
Width Across Flats: 4.760 INCHES NOMINAL IN
Design Type: STRAIGHT
Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Material: NICKEL ALLOY 400 BODY
Orifice Diameter: 0.060 INCHES NOMINAL IN
Identification
NSN: 4730-01-507-0797
NIIN: 015070797
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-507-0797, 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 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Material
NICKEL ALLOY 400 BODY
Orifice Diameter
0.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
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
2621-561-02ASSY51A
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 4730-01-507-0797?
NSN 4730-01-507-0797 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-507-0797?
Key specifications for 4730-01-507-0797: Width Across Flats: 4.760 INCHES NOMINAL IN; Design Type: STRAIGHT; Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; End Item Identification: VIRGINIA CLASS SUBMARINE,SSN-774. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-507-0797 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.
What is the DEMIL code for NSN 4730-01-507-0797?
NSN 4730-01-507-0797 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.