The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-451-9250, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-451-9250 |
| Primary Part Number | 8-3/8F5G-SS |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.220 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPTF 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 |
|---|---|
| SG4734 ITEM NO. 137 | Circor Pumps North America Llc (USA) |
| 8-3/8F5G-SS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| PP065BA-8-6 | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG4734 | D/9 Drawing number reference only Circor Pumps North America Llc |
NSN 4730-01-451-9250 is a Adapter,straight,pipe to Boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-451-9250 has 3 manufacturer part numbers on file: SG4734 ITEM NO. 137 (Circor Pumps North America Llc), 8-3/8F5G-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), PP065BA-8-6 (Circor Pumps North America Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-464-3376, 4730-01-633-8702. Verify interchangeability with system specifications before substitution.
Key specifications for 8-3/8F5G-SS: Furnished Items and Quantity: 1 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.220 INCHES IN. 12 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.