The Seat,ball Socket, cataloged under National Stock Number 5340-00-908-6771, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-908-6771 |
| Primary Part Number | AM1759DHS |
| Item Name | Seat,ball Socket |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Radius | 3.687 INCHES MINIMUM AND 3.690 INCHES MAXIMUM IN |
| Outside Diameter | 7.748 INCHES MINIMUM AND 7.749 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2014 AND PLASTIC POLYTETRAFLUOROETHYLENE OR ALUMINUM ALLOY 2024 AND PLASTIC POLYTETRAFLUOROETHYLENE OR ALUMINUM ALLOY 7075 AND PLASTIC POLYTETRAFLUOROETHYLENE |
| Ball Seat Depth | 0.625 INCHES NOMINAL IN |
| Hole Diameter | 6.742 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| YTD120 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| AM1759DHS PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| 78737 | 5/9 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 540-011-455-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5340-00-908-6771 is a Seat,ball Socket, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-908-6771 has 2 manufacturer part numbers on file: YTD120 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), AM1759DHS (New Hampshire Ball Bearings Inc Div Astro Division).
Key specifications for AM1759DHS: Overall Height: 1.312 INCHES NOMINAL IN; Radius: 3.687 INCHES MINIMUM AND 3.690 INCHES MAXIMUM IN; Outside Diameter: 7.748 INCHES MINIMUM AND 7.749 INCHES MAXIMUM IN; Special Features: FLANGE OD 8.875 IN. NOM FLANGE W 0.247 IN. NOM,16 HOLES 0.264 IN. MIN,0.271 IN. MAX DIA EQUALLY SPACED ON 8.312 IN. DIA BOLT CIRCLE IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.