The Nut,piston Attaching, cataloged under National Stock Number 5310-00-700-1606, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-700-1606 |
| Primary Part Number | S6165-20245 |
| Item Name | Nut,piston Attaching |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| FSC Application Data | SERVOCYLINDER,HYDRAULIC,CH3C ACFT |
| General Characteristics Item Description | STEEL,MIL&S&6758,1.5/8-12N3B THD,12 DRIVE SLOTS 0.245&0.250 IN. W,0.200&0.210 IN. DEEP,O/A DIM. 1.958&1.968 IN. OD,1.807&1.817 IN. ACROSS FLATS,0.972 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S6165-20245 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S6165-20245 | Leonardo Uk Ltd (GBR) |
NSN 5310-00-700-1606 is a Nut,piston Attaching, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-700-1606 has 2 manufacturer part numbers on file: S6165-20245 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S6165-20245 (Leonardo Uk Ltd).
Key specifications for S6165-20245: FSC Application Data: SERVOCYLINDER,HYDRAULIC,CH3C ACFT; General Characteristics Item Description: STEEL,MIL&S&6758,1.5/8-12N3B THD,12 DRIVE SLOTS 0.245&0.250 IN. W,0.200&0.210 IN. DEEP,O/A DIM. 1.958&1.968 IN. OD,1.807&1.817 IN. ACROSS FLATS,0.972 IN. THK IN; End Item Identification: 16508223087TH. 2 specifications are 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.
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.