The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-217-8253, 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 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-217-8253 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 1.830 INCHES IN |
| Criticality Code Justification | ZZZY |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.062 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 11 FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNF SECOND END |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 12-10-F5X-SS | 3/1 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| SAEJ514/12-10-070122(SPCLN) | 5/1 Secondary reference U.S. Government activity |
| 12-10-F5X-SS | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-217-8253 is a Adapter,straight,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-217-8253: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Overall Length: 1.830 INCHES IN; Criticality Code Justification: ZZZY. 17 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.
NSN 4730-01-217-8253 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.