The Flange,pipe, cataloged under National Stock Number 4730-01-374-3434, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-374-3434 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Supplementary Features | 1500 PSI-2.323 BORE DIMENSION-SCHEDULE 80 |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A182,GR F316L ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| ANSIB16.5L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ANSIB16.5(FLANGE)2-1/2INL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ANSIB16.5(FLANGE)2-1/2IN | 5/1 Secondary reference U.S. Government activity |
| ANSIB16.5 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4730-01-374-3434 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-374-3434: Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Supplementary Features: 1500 PSI-2.323 BORE DIMENSION-SCHEDULE 80; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A182,GR F316L ASSN STD SINGLE MATERIAL RESPONSE. 6 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.