The Washer,recessed, cataloged under National Stock Number 5310-01-307-0675, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Baykar Piaggio Aerospace S.p.a.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-307-0675 |
| Primary Part Number | 2-103-039-01 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Baykar Piaggio Aerospace S.p.a. |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | AMS5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.715 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN |
| Recess Diameter | 0.559 INCHES MINIMUM AND 0.569 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 718 OVERALL |
| Hole Diameter | 0.443 INCHES MINIMUM AND 0.449 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 |
|---|---|
| 2-103-039-01 | Baykar Piaggio Aerospace S.p.a. (ITA) |
| Reference | Meaning |
|---|---|
| 2-103-039-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-307-0675 is a Washer,recessed, manufactured by Baykar Piaggio Aerospace S.p.a., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-307-0675 has 1 manufacturer part number on file: 2-103-039-01 (Baykar Piaggio Aerospace S.p.a.).
Key specifications for 2-103-039-01: Overall Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Style Designator: RECESSED; Material Document and Classification: AMS5663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.715 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN. 6 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.