The Disk,valve, cataloged under National Stock Number 1660-00-789-9221, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-789-9221 |
| Primary Part Number | 136932 |
| Item Name | Disk,valve |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY 6061 |
| Material Document and Classification | QQ-A-250/11, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Seat Angle | 18.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM |
| Inside Diameter | 8.505 INCHES MINIMUM AND 8.515 INCHES MAXIMUM IN |
| Outside Diameter | 9.220 INCHES MINIMUM AND 9.250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1660-00-789-9221 is a Disk,valve, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-00-789-9221 has 3 cross-referenced part numbers: 136932 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), 136932 (Honeywell International Inc. Div Aerospace - Torrance), 136932 (Honeywell International, Inc Div Aerospace-Tucson).
There are 3 known substitutes for 1660-00-789-9221: 6625-00-350-6019, 4330-01-571-1326, 6150-01-662-4783. Verify interchangeability with system specifications before substitution.
Key specifications for 136932: Material: ALUMINUM ALLOY 6061; Material Document and Classification: QQ-A-250/11, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE; Seat Angle: 18.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM; Overall Height: 2.650 INCHES MINIMUM AND 2.690 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.