The Coupling,pipe, cataloged under National Stock Number 4730-01-577-6995, 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 Mcmaster-Carr Supply Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-577-6995 |
| Primary Part Number | 4513K61 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Length | 1.375 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 72.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 0.750 INCHES ALL ENDS IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| 4513K61 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 0212415 REV A FIND 2 | D/9 Drawing number reference only Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific |
NSN 4730-01-577-6995 is a Coupling,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-577-6995 has 1 manufacturer part number on file: 4513K61 (Mcmaster-Carr Supply Co).
Key specifications for 4513K61: Nominal Length: 1.375 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Maximum Operating Temp: 72.0 FAHRENHEIT SINGLE RESPONSE DEGF. 7 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.