The Valve,cross, cataloged under National Stock Number 4820-01-471-7490, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-471-7490 |
| Primary Part Number | 803-2177141-312AF 270 DEG OPERL1 |
| Item Name | Valve,cross |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 3.000 INCHES ALL ENDS IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A182 GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | STEEL BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Material | STEEL STEM |
| 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 B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 803-2177141-312AF 270 DEG OPERL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| P2-45030-G01 ITEM 021L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| P2-45030-G01 ITEM 021 | 5/1 Secondary reference Velan Valve Corp. |
| 803-2177141-312AF 270 DEG OPER | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-01-471-7490 is a Valve,cross, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-471-7490 has 2 manufacturer part numbers on file: 803-2177141-312AF 270 DEG OPERL1 (Naval Inventory Control Point Mechanicsburg), P2-45030-G01 ITEM 021L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 803-2177141-312AF 270 DEG OPERL1: Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A182 GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE; End Item Identification: VALVE,GLOBE 3.00IPE 900PSI CRBNSTL BTWLD. 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.
NSN 4820-01-471-7490 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.