4730-00-451-8699 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Half,self-Sealing — FSC 4730
Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Style Designator: MALE COUPLING HALF
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Features Provided: SELF-SEALINGSELF-SEALING
Maximum Operating Temp: 275.0 CELSIUS SINGLE RESPONSE275.0 CELSIUS SINGLE RESPONSE DEGC
Surface Treatment: ANODIZE BODY
Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
Identification
NSN: 4730-00-451-8699
NIIN: 004518699
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-451-8699, 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8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
THREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Style Designator
MALE COUPLING HALF
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Features Provided
SELF-SEALINGSELF-SEALING
Maximum Operating Temp
275.0 CELSIUS SINGLE RESPONSE275.0 CELSIUS SINGLE RESPONSE DEGC
Surface Treatment
ANODIZE BODY
Media for Which Designed
FUEL/OIL, HYDROCARBON SINGLE RESPONSE
Material
ALUMINUM ALLOY BODY
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
508631-2
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 4730-00-451-8699?
NSN 4730-00-451-8699 is a Coupling Half,self-Sealing, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-00-451-8699?
Key specifications for 4730-00-451-8699: Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF; Overall Length: 1.540 INCHES NOMINAL1.540 INCHES NOMINAL IN; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-451-8699 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.