The Valve,ball, cataloged under National Stock Number 4810-01-121-2930, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-121-2930 |
| Item Name | Valve,ball |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES THIRD END |
| Nominal Pipe Size Accommodated | 4.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Connection Style | BEVELED (PIPE) SECOND END |
| Connection Style | BEVELED (PIPE) FIRST END |
| Connection Type | BUTT WELD PIPE FIRST END |
| Connection Type | BUTT WELD PIPE SECOND END |
| Connection Type | FLANGE THIRD END |
| Style Designator | CROSS |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bolt Hole Quantity | 12 THIRD END |
| Material | NICKEL ALLOY STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE |
| Material | NICKEL ALLOY BODY |
| Valve Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2642-824-39 ASSY A | 5/9 Secondary reference P J Valves Inc |
| 845-4558782 ASSY A | 3/2 Design control — primary reference U.S. Government activity |
| 845-4558782 | D/9 Drawing number reference only U.S. Government activity |
| 2642-824-39 | D/9 Drawing number reference only U.S. Government activity |
| 2642-824-39 ASSY A | 5/9 Secondary reference U.S. Government activity |
NSN 4810-01-121-2930 is a Valve,ball, classified under FSC 4810, Valves, Powered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-121-6392, 5315-01-710-3445. Verify interchangeability with system specifications before substitution.
Key specifications for 4810-01-121-2930: Flange Shape: ROUND WITH HOLES THIRD END; Nominal Pipe Size Accommodated: 4.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Connection Style: BEVELED (PIPE) SECOND END. 15 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 4810-01-121-2930 has DEMIL Code Q. 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.