The Washer,recessed, cataloged under National Stock Number 5310-00-941-9654, 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 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-941-9654 |
| Primary Part Number | 499348 |
| 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 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.030 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN |
| Recess Depth | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Material Thickness | 0.080 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.439 INCHES MINIMUM AND 0.442 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 |
|---|---|
| 499348 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5310-00-941-9654 is a Washer,recessed, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-941-9654 has 1 manufacturer part number on file: 499348 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 499348: Overall Height: 0.100 INCHES NOMINAL IN; Style Designator: RECESSED; Material Document and Classification: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.030 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN. 8 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.