The Seat,valve, cataloged under National Stock Number 4820-01-099-9645, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-099-9645 |
| Primary Part Number | 1CL30 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Body Outside Diameter | 4.438 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material | RUBBER BUNA N OVERALL |
| Seating Surface Shape | FLAT |
| Body Inside Diameter | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1CL30 | Oshkosh Defense Llc (USA) |
| 4-3-4-6001 | Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy (USA) |
| 1CL30 | Oshkosh Corp (USA) |
| 4-6001 | Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging (USA) |
NSN 4820-01-099-9645 is a Seat,valve, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-099-9645 has 4 cross-referenced part numbers: 1CL30 (Oshkosh Defense Llc), 4-3-4-6001 (Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy), 1CL30 (Oshkosh Corp), 4-6001 (Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging).
There are 12 known substitutes for 4820-01-099-9645: 3040-00-008-9819, 4820-00-158-0468, 1680-00-594-1783 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1CL30: Body Outside Diameter: 4.438 INCHES NOMINAL IN; Style Designator: PLAIN; Material: RUBBER BUNA N OVERALL; Seating Surface Shape: FLAT. 6 total characteristics are documented in the Federal Logistics Information System.