The Coupling,tube, cataloged under National Stock Number 4730-01-248-8805, 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 Tylok International, Inc.. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-248-8805 |
| Primary Part Number | SS8-1BHU-8 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tylok International, Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 BULKHEAD NUT AND 2 TUBE COUPLING NUT AND 2 COUPLING SLEEVE |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Overall Length | 3.468 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE CENTER BULKHEAD |
| Style Designator | RIGID W/OFFSET WRENCHING FACILITY |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES CENTER BULKHEAD IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.750 INCHES CENTER BULKHEAD IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Class | 2A CENTER BULKHEAD A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF CENTER BULKHEAD |
| Thread Series Designator | UNF 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 |
|---|---|
| SS8-1BHU-8 PRIMARY | Tylok International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SS8-1BHU | 5/9 Secondary reference Tylok International, Inc. |
| 411-2392 | 7/2 Vendor item drawing reference Continental Electronics Corp |
NSN 4730-01-248-8805 is a Coupling,tube, manufactured by Tylok International, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-248-8805 has 1 manufacturer part number on file: SS8-1BHU-8 (Tylok International, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1560-01-673-2716. Verify interchangeability with system specifications before substitution.
Key specifications for SS8-1BHU-8: Furnished Items and Quantity: 1 BULKHEAD NUT AND 2 TUBE COUPLING NUT AND 2 COUPLING SLEEVE; Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Overall Length: 3.468 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 21 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.