The Washer,flat, cataloged under National Stock Number 5310-01-169-1552, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-169-1552 |
| Primary Part Number | DYNC 21-0-6-00 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Overall Diameter | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.204 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN |
| Thickness | 0.073 INCHES MINIMUM AND 0.083 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 |
| Part Number | Manufacturer |
|---|---|
| DYNC 21-0-6-00 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| DYNC 21 PRIMARY | Barber-Colman Co Environmental Controls Div (USA) |
NSN 5310-01-169-1552 is a Washer,flat, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-169-1552 has 2 manufacturer part numbers on file: DYNC 21-0-6-00 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), DYNC 21 (Barber-Colman Co Environmental Controls Div).
Key specifications for DYNC 21-0-6-00: Overall Diameter: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: ROUND. 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.