The Valve,globe, cataloged under National Stock Number 4820-01-314-3798, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-314-3798 |
| Primary Part Number | 818-057TT-749CP |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | GASKET SEAL(BOSS) ALL ENDS |
| Special Test Features | QXYGEN CLEANED |
| Criticality Code Justification | SPCL |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 818-057TT-749CP PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 818-057TT-749 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-314-3798 is a Valve,globe, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-314-3798 has 1 manufacturer part number on file: 818-057TT-749CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 818-057TT-749CP: Flow Control Device: NEEDLE; Connection Style: GASKET SEAL(BOSS) ALL ENDS; Special Test Features: QXYGEN CLEANED; Criticality Code Justification: SPCL. 12 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.