The Elbow,pipe, cataloged under National Stock Number 4730-01-288-7232, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-288-7232 |
| Primary Part Number | ASTM-A403, CLASS WP-304/304LL1 |
| Item Name | Elbow,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | ASTM-403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Nominal Outside Diameter | 2.875 INCHES ALL ENDS IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 160 ALL ENDS |
| Nominal Thickness | 0.375 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| ASTM-A403, CLASS WP-304/304LL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ASTM-A403 CL WP-S-304 SCH 160L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ASME B16.9 2.5IN 90DEGLR L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2 1/2, 375 WT, SCHEDULE 160L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ANSI B16.9 2.5IN90DEGLR L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| ASTM-A403, CLASS WP-304/304L | 5/1 Secondary reference U.S. Government activity |
| ANSI B16.9 2.5IN90DEGLR | 3/1 Design control — primary reference U.S. Government activity |
| 2 1/2, 375 WT, SCHEDULE 160 | 5/1 Secondary reference U.S. Government activity |
| ANSI-B16.9 | 5/1 Secondary reference U.S. Government activity |
| ANSI-B16.9L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ASTM-A403 CL WP-S-304 SCH 160 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-288-7232 is a Elbow,pipe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-288-7232 has 5 manufacturer part numbers on file: ASTM-A403, CLASS WP-304/304LL1 (Naval Inventory Control Point Mechanicsburg), ASTM-A403 CL WP-S-304 SCH 160L1 (Naval Inventory Control Point Mechanicsburg), ASME B16.9 2.5IN 90DEGLR L1 (Naval Inventory Control Point Mechanicsburg), 2 1/2, 375 WT, SCHEDULE 160L1 (Naval Inventory Control Point Mechanicsburg), ANSI B16.9 2.5IN90DEGLR L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for ASTM-A403, CLASS WP-304/304LL1: Criticality Code Justification: ZZZX; Material Document and Classification: ASTM-403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS; Nominal Outside Diameter: 2.875 INCHES ALL ENDS IN. 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.