The Disk,valve, cataloged under National Stock Number 4820-01-602-6121, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-602-6121 |
| Primary Part Number | 11E421440 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center |
| Status | ACTIVE |
| Style Designator | POPPET |
| Material Document and Classification | SAE J518 ASSN STD 1ST MATERIAL RESPONSE AND SAE 070120 ASSN STD 2ND MATERIAL RESPONSE |
| Specification/standard Data | 05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.24.-1999 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5M-1994 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11E421440 PRIMARY | Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center (USA) |
| SM-751-16FO | Stewart & Stevenson Power Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 11E421440 | 5/9 Secondary reference Stewart & Stevenson Power Products Llc |
NSN 4820-01-602-6121 is a Disk,valve, manufactured by Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-602-6121 has 2 manufacturer part numbers on file: 11E421440 (Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center), SM-751-16FO (Stewart & Stevenson Power Products Llc).
Key specifications for 11E421440: Overall Height: 3.98 INCHES NOMINAL IN; Style Designator: POPPET; Material Document and Classification: SAE J518 ASSN STD 1ST MATERIAL RESPONSE AND SAE 070120 ASSN STD 2ND MATERIAL RESPONSE; Specification/standard Data: 05047-ASME Y14.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.24.-1999 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5M-1994 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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.
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.