The Arm,serrated Air Vane, cataloged under National Stock Number 1660-00-613-5255, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-613-5255 |
| Primary Part Number | 135194-1 |
| Item Name | Arm,serrated Air Vane |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 431 OR STEEL 4130;PASSIVATED OR CADMIUM PLATED;SERRATED BORE,27 TEETH,45.0 DEG PRESSURE ANGLE,0.4448 IN. MAJOR DIA;ONE 0.190-32 UNF-3B THD HOLE IN ARM END IN |
| 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 |
|---|---|
| 135194-1 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 135194-1 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 135194-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 1660-00-613-5255 is a Arm,serrated Air Vane, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-613-5255 has 1 manufacturer part number on file: 135194-1 (Honeywell International, Inc Div Aerospace-Tucson).
3 possible matches (shared part number, not a government interchangeability claim): 5961-01-345-2756, 5365-01-485-2296, 5998-01-720-7015. Verify interchangeability with system specifications before substitution.
Key specifications for 135194-1: General Characteristics Item Description: CRES 431 OR STEEL 4130;PASSIVATED OR CADMIUM PLATED;SERRATED BORE,27 TEETH,45.0 DEG PRESSURE ANGLE,0.4448 IN. MAJOR DIA;ONE 0.190-32 UNF-3B THD HOLE IN ARM END IN. 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 1660-00-613-5255 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.