The Washer,convex, cataloged under National Stock Number 5310-00-613-7435, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Romac Electronics, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-613-7435 |
| Primary Part Number | 1-030-138-04 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Romac Electronics, Inc. |
| Status | ACTIVE |
| Style Designator | CONVEX |
| Material Document and Classification | S+21,FSCM 31708 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.100 INCHES MINIMUM AND 1.105 INCHES MAXIMUM IN |
| Material Thickness | 0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Material | PLASTIC OVERALL |
| Hole Diameter | 0.825 INCHES MINIMUM AND 0.830 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 |
|---|---|
| 1-030-138-04 | Romac Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1-030-138-04 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 1-030-138-04 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-613-7435 is a Washer,convex, manufactured by Romac Electronics, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-613-7435 has 1 manufacturer part number on file: 1-030-138-04 (Romac Electronics, Inc.).
Key specifications for 1-030-138-04: Style Designator: CONVEX; Material Document and Classification: S+21,FSCM 31708 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.100 INCHES MINIMUM AND 1.105 INCHES MAXIMUM IN; Material Thickness: 0.237 INCHES MINIMUM AND 0.243 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.