The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-084-8919, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-084-8919 |
| Primary Part Number | CS4730-0135 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 2.341 INCHES IN |
| Material Document and Classification | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.500 INCHES SECOND END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UNF SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CS4730-0135 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| U-525621 | 5/1 Secondary reference Triumph Thermal Systems, Llc |
NSN 4730-00-084-8919 is a Adapter,straight,tube to Boss, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-084-8919 has 1 manufacturer part number on file: CS4730-0135 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for CS4730-0135: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Overall Length: 2.341 INCHES IN; Material Document and Classification: AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.