The Seat,valve, cataloged under National Stock Number 4820-00-659-9986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-659-9986 |
| Primary Part Number | 1670499 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Body Outside Diameter | 1.639 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 1.369 INCHES MINIMUM AND 1.379 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Seat Angle in Deg | 0.750 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 1670499 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
NSN 4820-00-659-9986 is a Seat,valve, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-659-9986 has 1 manufacturer part number on file: 1670499 (Chrysler Realty Company Llc Dba Daimler Chrysler).
Key specifications for 1670499: Overall Height: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Body Outside Diameter: 1.639 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 1.369 INCHES MINIMUM AND 1.379 INCHES MAXIMUM IN. 6 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.