The Washer,recessed, cataloged under National Stock Number 5310-01-618-5422, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydrema U.s., Inc. Dba Hydrema Us Inc. 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 | 5310-01-618-5422 |
| Primary Part Number | 272260 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hydrema U.s., Inc. Dba Hydrema Us Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | COATING IAW HYDREMA INSTR.305.42 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 2.7 MILLIMETERS NOMINAL MM |
| Style Designator | SHOULDERED |
| Material Document and Classification | ST.60,MATERIAL NO.899340,AXLE DIA 45X8 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 45.0 MILLIMETERS NOMINAL MM |
| Shoulder Diameter | 33.5 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| Hole Diameter | 12.5 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 |
|---|---|
| 272260 PRIMARY | Hydrema U.s., Inc. Dba Hydrema Us Inc (USA) |
NSN 5310-01-618-5422 is a Washer,recessed, manufactured by Hydrema U.s., Inc. Dba Hydrema Us Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-618-5422 has 1 manufacturer part number on file: 272260 (Hydrema U.s., Inc. Dba Hydrema Us Inc).
Key specifications for 272260: Overall Height: 8.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: COATING IAW HYDREMA INSTR.305.42 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 2.7 MILLIMETERS NOMINAL MM; Style Designator: SHOULDERED. 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.