The Washer,flat, cataloged under National Stock Number 5310-01-536-5502, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nd Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-536-5502 |
| Primary Part Number | 30289R1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Outside Radius | 9.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Thickness | 1.0 MILLIMETERS NOMINAL MM |
| Inside Radius | 4.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 30289R1 PRIMARY | Nd Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 30289R1 | 5/9 Secondary reference Asf Logistics, Llc |
NSN 5310-01-536-5502 is a Washer,flat, manufactured by Nd Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-536-5502 has 1 manufacturer part number on file: 30289R1 (Nd Defense Llc).
Key specifications for 30289R1: Outside Radius: 9.0 MILLIMETERS NOMINAL MM; Surface Treatment: ZINC OVERALL; Part Name Assigned by Controlling Agency: WASHER; End Item Identification: 2320-01-517-4333; MAXXPRO DASH ISS W/CROWS AND W/OGPK. 5 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.