The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-150-2242, 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 Hydrasearch Company, Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-150-2242 |
| Primary Part Number | 8303-20-20-SS |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT AND 1 PREFORMED PACKING |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Nominal Overall Length | 2.688 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.625 INCHES ALL ENDS IN |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 8303-20-20-SS PRIMARY | Hydrasearch Company, Llc (USA) |
| AP20-20GC PRIMARY | Ssp Fittings Corp (USA) |
| Reference | Meaning |
|---|---|
| A518235-25SS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4730PL0848052 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H859-20-20-SS | 3/2 Design control — primary reference U.S. Government activity |
| AP20-20GC-SS | 5/9 Secondary reference Ssp Fittings Corp |
| 0451C0029-7 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
| H859T-20-20-SS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-150-2242 is a Adapter,straight,tube to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-150-2242 has 2 manufacturer part numbers on file: 8303-20-20-SS (Hydrasearch Company, Llc), AP20-20GC (Ssp Fittings Corp).
Key specifications for 8303-20-20-SS: Furnished Items and Quantity: 1 TUBE COUPLING NUT AND 1 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Nominal Overall Length: 2.688 INCHES IN. 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.