The Housing,valve, cataloged under National Stock Number 1660-00-693-4795, 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 Div Aerospace-Tucson. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-693-4795 |
| Primary Part Number | 136559-1 |
| Item Name | Housing,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| General Characteristics Item Description | ALUM ALLOY PER QQ-A-325,COMP 615,TEMP T6;ANODIZE PER MIL-A-8625;125 AA MICROINCH SURFACE FINISH;0.620 IN. LG O/A;FIRST END 0.195 IN. ID BY 0.308 IN. OD BY 0.2925 IN. LG W/0.312-34 UNF-2A THD;SECOND END 0.355 IN. OD BY 0.1825 IN. ID BY 0.2725 IN. LG,STEPPED NEAR FLANGE 0.070 IN. LG BY 0.715 IN. DIA,0.214-36 NAT. FORM THD BY 0.230 IN. DEEP;0.055 IN. THK FLANGE BY 1.125 IN. DIA 0.2725 IN. FROM SECOND END A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 136559-1 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 136559-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 136559-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 1660-00-693-4795 is a Housing,valve, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-693-4795 has 1 manufacturer part number on file: 136559-1 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-569-6516. Verify interchangeability with system specifications before substitution.
Key specifications for 136559-1: General Characteristics Item Description: ALUM ALLOY PER QQ-A-325,COMP 615,TEMP T6;ANODIZE PER MIL-A-8625;125 AA MICROINCH SURFACE FINISH;0.620 IN. LG O/A;FIRST END 0.195 IN. ID BY 0.308 IN. OD BY 0.2925 IN. LG W/0.312-34 UNF-2A THD;SECOND END 0.355 IN. OD BY 0.1825 IN. ID BY 0.2725 IN. LG,STEPPED NEAR FLANGE 0.070 IN. LG BY 0.715 IN. DIA,0.214-36 NAT. FORM THD BY 0.230 IN. DEEP;0.055 IN. THK FLANGE BY 1.125 IN. DIA 0.2725 IN. FROM SECOND END A. 1 specification is 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.
NSN 1660-00-693-4795 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.