The Repair Kit,valve, cataloged under National Stock Number 4820-01-429-9643, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grinnell Supply Sales Co Sub of Tyco Laboratories. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-429-9643 |
| Primary Part Number | SEAT - SEAL KIT 3933C9 1IN |
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grinnell Supply Sales Co Sub of Tyco Laboratories |
| Status | ACTIVE |
| Valve Type for Which Designed | BALL |
| Valve Model Number for Which Designed | GR3933-C9 |
| Valve Size for Which Designed | 1.000 INCHES IN |
| 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 |
|---|---|
| SEAT - SEAL KIT 3933C9 1IN | Tyco Intl Ltd (USA) |
| SEAT - SEAL KIT 3933C9 1IN PRIMARY | Grinnell Supply Sales Co Sub of Tyco Laboratories (USA) |
NSN 4820-01-429-9643 is a Repair Kit,valve, manufactured by Grinnell Supply Sales Co Sub of Tyco Laboratories, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-429-9643 has 2 manufacturer part numbers on file: SEAT - SEAL KIT 3933C9 1IN (Tyco Intl Ltd), SEAT - SEAL KIT 3933C9 1IN (Grinnell Supply Sales Co Sub of Tyco Laboratories).
Key specifications for SEAT - SEAL KIT 3933C9 1IN: Valve Type for Which Designed: BALL; Valve Model Number for Which Designed: GR3933-C9; Valve Size for Which Designed: 1.000 INCHES IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 3 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.