The Nipple,pipe, cataloged under National Stock Number 4730-00-336-9637, 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 Blue Tee Corp. Dba Gefco. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-336-9637 |
| Primary Part Number | 144F386 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Blue Tee Corp. Dba Gefco |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM A120 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Overall Length | 4.500 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | LONG |
| Material Document and Classification | ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Specification/standard Data | 81346-ASTM-A733 GOVERNMENT SPECIFICATION AND 96906-MS51873-60 GOVERNMENT STANDARD |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Surface Treatment | ZINC OVERALL |
| 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 |
|---|---|
| 144F386 | Blue Tee Corp. Dba Gefco (USA) |
| Reference | Meaning |
|---|---|
| ASTM-A733 | 3/1 Design control — primary reference U.S. Government activity |
| A733XS-60CFG | 3/2 Design control — primary reference U.S. Government activity |
| MS51873-60 | 5/9 Secondary reference U.S. Government activity |
| WWN351 | 5/9 Secondary reference U.S. Government activity |
| 144F078 | 5/9 Secondary reference Blue Tee Corp. Dba Gefco |
NSN 4730-00-336-9637 is a Nipple,pipe, manufactured by Blue Tee Corp. Dba Gefco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-336-9637 has 1 manufacturer part number on file: 144F386 (Blue Tee Corp. Dba Gefco).
Key specifications for 144F386: Surface Treatment Document and Classification: ASTM A120 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) ALL ENDS; Nominal Overall Length: 4.500 INCHES IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS. 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.