The Washer,flat, cataloged under National Stock Number 5310-01-729-3472, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 12 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 | 5310-01-729-3472 |
| Primary Part Number | ISO7090-10-300HV-FLZNNC-720H |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Outside Left Corner Chamfer Angle | 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM |
| Surface Treatment Document and Classification | ZINC FLAKE COATED PER ISO 10683 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 19.48 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM MM |
| Hardness Rating | 300.0 VICKERS NOMINAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | I9008-ISO 7090 INTERNATIONAL STD/SPEC |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 10.50 MILLIMETERS MINIMUM AND 10.77 MILLIMETERS MAXIMUM MM |
| Thickness | 1.80 MILLIMETERS MINIMUM AND 2.20 MILLIMETERS MAXIMUM 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 |
|---|---|
| ISO7090-10-300HV-FLZNNC-720H PRIMARY | International Organization for Standardization (iso) (CHE) |
| 99707079588 | Taylor Defense Products, Llc Dba Taylor Defense Products Llc (USA) |
NSN 5310-01-729-3472 is a Washer,flat, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-729-3472 has 2 manufacturer part numbers on file: ISO7090-10-300HV-FLZNNC-720H (International Organization for Standardization (iso)), 99707079588 (Taylor Defense Products, Llc Dba Taylor Defense Products Llc).
Key specifications for ISO7090-10-300HV-FLZNNC-720H: Outside Left Corner Chamfer Angle: 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM; Surface Treatment Document and Classification: ZINC FLAKE COATED PER ISO 10683 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 19.48 MILLIMETERS MINIMUM AND 20.00 MILLIMETERS MAXIMUM MM; Hardness Rating: 300.0 VICKERS NOMINAL. 12 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.