The Washer,flat, cataloged under National Stock Number 5310-01-304-0644, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-304-0644 |
| Primary Part Number | A53206-030 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | EP 2410,CAGEC 94697 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059,COND A OR 1/4 HARD OR 1/2 HARD OR 3/4 HARD OR FULL HARD MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Thickness | 0.030 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 |
|---|---|
| A53206-030 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 259135-000 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| A53206-030 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-304-0644 is a Washer,flat, manufactured by Moog Military Aircraft Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-304-0644 has 1 manufacturer part number on file: A53206-030 (Moog Military Aircraft Llc).
Key specifications for A53206-030: Surface Treatment Document and Classification: EP 2410,CAGEC 94697 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.125 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059,COND A OR 1/4 HARD OR 1/2 HARD OR 3/4 HARD OR FULL HARD MIL SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.