The Washer,flat, cataloged under National Stock Number 5310-00-068-5652, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-068-5652 |
| Primary Part Number | 488602CL7 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES OUTER |
| Surface Finish | 63.0 MICROINCHES TOP |
| Surface Finish | 90.0 MICROINCHES INNER |
| Overall Diameter | 0.992 INCHES MINIMUM AND 0.998 INCHES MAXIMUM IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4032 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Thickness | 0.052 INCHES MINIMUM AND 0.054 INCHES MAXIMUM 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 |
|---|---|
| 488602CL7 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4886D2CL7 | 5/9 Secondary reference Royal Oak Gage, Inc |
| 488602CL7 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-068-5652 is a Washer,flat, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-068-5652 has 1 manufacturer part number on file: 488602CL7 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 488602CL7: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES OUTER; Surface Finish: 63.0 MICROINCHES TOP; Surface Finish: 90.0 MICROINCHES INNER. 13 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.