The Cap,valve, cataloged under National Stock Number 4820-01-313-4665, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-313-4665 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Type for Which Designed | ANGLE |
| Valve Model Number for Which Designed | F-838-31 |
| Material Document and Classification | ASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 4.000 INCHES IN |
| Material | IRON |
| Attachment Method | BOLTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| T045610FC | C/1 Advisory reference — outside the item-of-supply concept Nibco Inc Chemtrol Div |
| T045610FC | 5/9 Secondary reference Nibco Inc |
| F-838-31-4IN BONNET | 3/9 Design control — primary reference Nibco Inc |
NSN 4820-01-313-4665 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-313-4665: Valve Type for Which Designed: ANGLE; Valve Model Number for Which Designed: F-838-31; Material Document and Classification: ASTM A-395 ASSN STD SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 4.000 INCHES 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.