The Washer,flat, cataloged under National Stock Number 5310-01-436-4829, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-436-4829 |
| Primary Part Number | 4D0033P6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Manufacturing & Supply, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM OR 45.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR MS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | IRON ALLOY 660 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.376 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Thickness | 0.052 INCHES MINIMUM AND 0.072 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 |
NSN 5310-01-436-4829 is a Washer,flat, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-436-4829 has 2 manufacturer part numbers on file: 4D0033P6 (Moeller Manufacturing & Supply, Llc), 4D0033P6 (Anillo Industries Llc).
Key specifications for 4D0033P6: Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM OR 45.0 ROCKWELL C MAXIMUM; Material Document and Classification: MS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR MS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.