The Repair Kit,valve, cataloged under National Stock Number 4820-01-429-9644, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-429-9644 |
| Primary Part Number | SEAT-SEAL KIT 3913-C9 1/2IN |
| 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 | GR3913-C9 |
| Valve Size for Which Designed | 0.500 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 3913-C9 1/2IN | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| SEAT-SEAL KIT 3913-C9 1/2IN PRIMARY | Grinnell Supply Sales Co Sub of Tyco Laboratories (USA) |
| Reference | Meaning |
|---|---|
| 3913-C9-1/2IN S | C/1 Advisory reference — outside the item-of-supply concept Kennedy Valve Div of Itt Grinnell Valve Co Inc |
NSN 4820-01-429-9644 is a Repair Kit,valve, manufactured by Grinnell Supply Sales Co Sub of Tyco Laboratories, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-429-9644 has 2 manufacturer part numbers on file: SEAT-SEAL KIT 3913-C9 1/2IN (Kennedy Valve Div of Itt Grinnell Valve Co Inc), SEAT-SEAL KIT 3913-C9 1/2IN (Grinnell Supply Sales Co Sub of Tyco Laboratories).
Key specifications for SEAT-SEAL KIT 3913-C9 1/2IN: Valve Type for Which Designed: BALL; Valve Model Number for Which Designed: GR3913-C9; Valve Size for Which Designed: 0.500 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.