The Ring,packing Seat, cataloged under National Stock Number 1610-00-628-7745, is classified within Federal Supply Class 1610 (Aircraft Propellers and Components) 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1610-00-628-7745 |
| Primary Part Number | 525393 |
| Item Name | Ring,packing Seat |
| FSC / FSG | 1610 / 16 — Aircraft Propellers and Components |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | MATL PER AMS64158 8.421IN. DIA,2.020IN. DIA,7.940IN.ID,ONE GROOVED EDGE 0.742IN.W 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 |
|---|---|
| 525393 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 525393 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1610PL1056965 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1610-00-628-7745 is a Ring,packing Seat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1610, Aircraft Propellers and Components. Status: active.
NSN 1610-00-628-7745 has 2 manufacturer part numbers on file: 525393 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 525393 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
Key specifications for 525393: General Characteristics Item Description: MATL PER AMS64158 8.421IN. DIA,2.020IN. DIA,7.940IN.ID,ONE GROOVED EDGE 0.742IN.W 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 1610-00-628-7745 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.