The Seat,valve, cataloged under National Stock Number 4820-00-236-2663, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Snap-Tite Inc Dba Snap Tite Solenoid Valve Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-236-2663 |
| Primary Part Number | 18171-7400-00 AND REF B5665-2 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Snap-Tite Inc Dba Snap Tite Solenoid Valve Div |
| Status | ACTIVE |
| Body Outside Diameter | 1.124 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.626 INCHES NOMINAL IN |
| Material | PLASTIC BODY |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 18171-7400-00 AND REF B5665-2 PRIMARY | Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 18171-7400-00 A | C/1 Advisory reference — outside the item-of-supply concept Snap-Tite Inc Dba Snap Tite Solenoid Valve Div |
NSN 4820-00-236-2663 is a Seat,valve, manufactured by Snap-Tite Inc Dba Snap Tite Solenoid Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-236-2663 has 1 manufacturer part number on file: 18171-7400-00 AND REF B5665-2 (Snap-Tite Inc Dba Snap Tite Solenoid Valve Div).
Key specifications for 18171-7400-00 AND REF B5665-2: Overall Height: 0.125 INCHES NOMINAL IN; Body Outside Diameter: 1.124 INCHES NOMINAL IN; Style Designator: PLAIN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.