The Washer,recessed, cataloged under National Stock Number 5310-00-786-8801, 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 7 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-786-8801 |
| Primary Part Number | 410098 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.997 INCHES NOMINAL IN |
| Recess Depth | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 OVERALL |
| Hole Diameter | 0.700 INCHES NOMINAL 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 |
|---|---|
| 410098 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 410098 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 410098 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 410098 | Enjet Aero Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 410098 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 410098 | 5/9 Secondary reference Royal Oak Gage, Inc |
NSN 5310-00-786-8801 is a Washer,recessed, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-786-8801 has 4 manufacturer part numbers on file: 410098 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 410098 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 410098 (Alinabal Holdings Corporation Div Engineered Products Group), 410098 (Enjet Aero Manchester Llc).
Key specifications for 410098: Overall Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.997 INCHES NOMINAL IN. 7 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.