The Washer,flat, cataloged under National Stock Number 5310-01-059-3609, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-059-3609 |
| Primary Part Number | 1229-N-1626 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1065 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.656 INCHES NOMINAL IN |
| Thickness | 0.188 INCHES NOMINAL 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 |
|---|---|
| 1229-N-1626 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| 1229N1626 | Thales Australia - Bendigo Land & Joint Systems (AUS) |
| S83372 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 1229-N-1626 | Meritor Industrial Products, Llc (USA) |
NSN 5310-01-059-3609 is a Washer,flat, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-059-3609 has 4 manufacturer part numbers on file: 1229-N-1626 (Meritor Heavy Vehicle Systems, Llc), 1229N1626 (Thales Australia - Bendigo Land & Joint Systems), S83372 (Cnh Industrial America Llc Dba Cnh America), 1229-N-1626 (Meritor Industrial Products, Llc).
Key specifications for 1229-N-1626: Overall Diameter: 1.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL COMP 1065 OVERALL. 7 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.