The Seat,valve, cataloged under National Stock Number 4820-00-391-5693, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-391-5693 |
| Primary Part Number | 10-00407 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Seating Surface Shape | ANGULAR |
| Material | RUBBER SYNTHETIC OVERALL |
| Body Outside Diameter | 5.000 INCHES NOMINAL IN |
| Flange Diameter | 5.844 INCHES NOMINAL IN |
| Under Flange Height | 0.188 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Flange Seat to Disk End Height | 0.500 INCHES NOMINAL IN |
| Style Designator | PLAIN FLANGED |
| Seal Accommodation Type | GROOVED |
| Body Inside Diameter | 4.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10-00407 PRIMARY | Tyco Fire Products Lp (USA) |
| S926PCS407 | Tyco Fire Products Lp (USA) |
| S497 | Tyco Fire Products Lp (USA) |
| S407 | Tyco Fire Products Lp (USA) |
| S428PCS407 | Tyco Fire Products Lp (USA) |
| MILD17650 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-391-5693 is a Seat,valve, manufactured by Tyco Fire Products Lp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-391-5693 has 6 cross-referenced part numbers: 10-00407 (Tyco Fire Products Lp), S926PCS407 (Tyco Fire Products Lp), S497 (Tyco Fire Products Lp), S407 (Tyco Fire Products Lp), S428PCS407 (Tyco Fire Products Lp) and 1 more.
There are 8 known substitutes for 4820-00-391-5693: 4820-00-116-6696, 4820-00-684-4128, 6240-00-965-6059 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10-00407: Seating Surface Shape: ANGULAR; Material: RUBBER SYNTHETIC OVERALL; Body Outside Diameter: 5.000 INCHES NOMINAL IN; Flange Diameter: 5.844 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.