The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-984-8405, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 9 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 | 5310-00-984-8405 |
| Primary Part Number | 117-103-3 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Senior Operations Llc Div Senior Aerospace Ketema |
| Status | ACTIVE |
| Shoulder Height | 0.030 INCHES NOMINAL IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.687 INCHES NOMINAL IN |
| Material Thickness | 0.015 INCHES NOMINAL IN |
| Shoulder Diameter | 0.312 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Recess Angle | 30.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 117-103-3 PRIMARY | Senior Operations Llc Div Senior Aerospace Ketema (USA) |
NSN 5310-00-984-8405 is a Washer,shouldered and Recessed, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-984-8405 has 1 manufacturer part number on file: 117-103-3 (Senior Operations Llc Div Senior Aerospace Ketema).
Key specifications for 117-103-3: Shoulder Height: 0.030 INCHES NOMINAL IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.687 INCHES NOMINAL IN. 9 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.