The Clamp,leak Repair,pipe Coupling, cataloged under National Stock Number 4730-01-371-8176, 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 Smith-Blair, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-371-8176 |
| Primary Part Number | 274-1320-000 |
| Item Name | Clamp,leak Repair,pipe Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Smith-Blair, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 2 IRON BELL-SPIGOT RING; 1 KEE-LOCK GASKET; 6 STEEL 5/8 X 10-1/2 BOLTS W/NUTS; 13.20-13.50 IN. O/D PIPE RANGE IN |
| 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 |
|---|---|
| 274-00001320-000 | Smith-Blair, Inc (USA) |
| 274-1320-000 PRIMARY | Smith-Blair, Inc (USA) |
| Reference | Meaning |
|---|---|
| 274 | 5/1 Secondary reference Smith-Blair, Inc |
NSN 4730-01-371-8176 is a Clamp,leak Repair,pipe Coupling, manufactured by Smith-Blair, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-371-8176 has 2 manufacturer part numbers on file: 274-00001320-000 (Smith-Blair, Inc), 274-1320-000 (Smith-Blair, Inc).
Key specifications for 274-1320-000: General Characteristics Item Description: 2 IRON BELL-SPIGOT RING; 1 KEE-LOCK GASKET; 6 STEEL 5/8 X 10-1/2 BOLTS W/NUTS; 13.20-13.50 IN. O/D PIPE RANGE IN. 1 specification is 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.