The Adapter,probe, cataloged under National Stock Number 6610-01-008-9520, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rosemount Aerospace Inc Dba Rosemount Aerospace Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-008-9520 |
| Primary Part Number | S858-340 |
| Item Name | Adapter,probe |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 4.775 IN. LG,3.875 IN. DIA 1ST END,1.437 IN. DIA 2ND 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 |
|---|---|
| A51A9177-3 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| S858-340 PRIMARY | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| A51A9177-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| S858-340 | 5/9 Secondary reference Rosemount Inc Dba Fisher Rosemount Service and Support |
NSN 6610-01-008-9520 is a Adapter,probe, manufactured by Rosemount Aerospace Inc Dba Rosemount Aerospace Inc, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-008-9520 has 2 manufacturer part numbers on file: A51A9177-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), S858-340 (Rosemount Aerospace Inc Dba Rosemount Aerospace Inc).
Key specifications for S858-340: General Characteristics Item Description: 4.775 IN. LG,3.875 IN. DIA 1ST END,1.437 IN. DIA 2ND 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 6610-01-008-9520 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.