The Seat,nozzle, cataloged under National Stock Number 1660-00-677-4774, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-677-4774 |
| Primary Part Number | 510598 |
| Item Name | Seat,nozzle |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL PER AMS5630 OR AISI440C;HARDNESS VICKERS DPH 550 TO 653;0.385 IN.LG BY 0.362 IN. OD TAPERED 45.0 DEG BY0.110 IN. LG BY 0.105 IN. ID;THREE PRONG EQUALLY SPACED 0.230 IN. LG BY 0.035 IN. WD LOCATED ON UNTAPERED END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 510598 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| 510598 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 510598 | 5/9 Secondary reference Cbs Manufacturing Company the Dba Cbs Manufacturing Co |
| 510598 | 5/9 Secondary reference Frey Tool & Engineering Corp Dba Tab Dex |
| 510598 | 5/9 Secondary reference Standard Tool and Die Co Inc |
NSN 1660-00-677-4774 is a Seat,nozzle, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-677-4774 has 2 manufacturer part numbers on file: 510598 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), 510598 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 510598: General Characteristics Item Description: STEEL PER AMS5630 OR AISI440C;HARDNESS VICKERS DPH 550 TO 653;0.385 IN.LG BY 0.362 IN. OD TAPERED 45.0 DEG BY0.110 IN. LG BY 0.105 IN. ID;THREE PRONG EQUALLY SPACED 0.230 IN. LG BY 0.035 IN. WD LOCATED ON UNTAPERED 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 1660-00-677-4774 has DEMIL Code B. 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.