The Nipple,pipe, cataloged under National Stock Number 4730-00-560-4846, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-560-4846 |
| Primary Part Number | 4448K191 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.375 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | CLOSE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| 4448K191 | Mcmaster-Carr Supply Co (USA) |
| 3326X12-31SS | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| Reference | Meaning |
|---|---|
| 316-40-3/4X1 3/8 | 5/9 Secondary reference Merit Brass Co |
| 12SPNX1 3/8SS | 3/2 Design control — primary reference U.S. Government activity |
| NIPPLEPIPE316 | 3/1 Design control — primary reference Alloy Stainless Products Co Inc |
NSN 4730-00-560-4846 is a Nipple,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-560-4846 has 2 manufacturer part numbers on file: 4448K191 (Mcmaster-Carr Supply Co), 3326X12-31SS (Mid-State Sales, Inc. Div Defense Products Group).
Key specifications for 4448K191: Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.375 INCHES IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Style Designator: CLOSE. 9 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.