The Valve,ball, cataloged under National Stock Number 4820-01-087-7577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-087-7577 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Style Designator | STRAIGHT THRU |
| Valve Operation Method | MANUAL |
| 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 |
| Reference | Meaning |
|---|---|
| 2641-405-11, ASSEMBLY IRCY | 5/1 Secondary reference U.S. Government activity |
| 2641-405-11, ASSEMBLY IRCY | 5/1 Secondary reference Portland Valve Llc |
| 2641-405-11, ASSEMBLY IRCY | 5/1 Secondary reference Yankee Machine Inc |
| 2641-405-11, ASSEMBLY IRCYL1 | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 2641-405-11, ASSEMBLY IRCY | 5/9 Secondary reference P J Valves Inc |
| 2641-405-11, ASSEMBLY IRCY | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| 2641-405-11, ASSEMBLY IRCY | 5/1 Secondary reference Jarecki Industries Ltd |
NSN 4820-01-087-7577 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-087-7577: Criticality Code Justification: ZZZY; Style Designator: STRAIGHT THRU; Valve Operation Method: MANUAL; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 4 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 4820-01-087-7577 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.