The Disk,valve, cataloged under National Stock Number 1660-01-180-6858, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-180-6858 |
| Primary Part Number | 3168672-1 |
| Item Name | Disk,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Shank Diameter | 0.118 INCHES NOMINAL IN |
| Flange Diameter | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Style Designator | POPPET |
| Material Document and Classification | AMS 5643, COMP 630, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE |
| Seat Angle | 28.0 DEGREES MINIMUM AND 32.0 DEGREES MAXIMUM |
| Material | STEEL COMP 630 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3168672-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 10106249 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3168672-1 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-01-180-6858 is a Disk,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-180-6858 has 1 manufacturer part number on file: 3168672-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3168672-1: Shank Diameter: 0.118 INCHES NOMINAL IN; Flange Diameter: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Overall Height: 1.281 INCHES MINIMUM AND 1.309 INCHES MAXIMUM IN; Style Designator: POPPET. 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.