The Washer,flat, cataloged under National Stock Number 5310-01-223-9489, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kurz & Root Generator Company, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-223-9489 |
| Primary Part Number | 19734A5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kurz & Root Generator Company, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A663 ASSN STD ALL MATERIAL RESPONSES OR ASTM A575 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A575 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A575 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A575 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 8TH MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1017 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP M1020 OR STEEL COMP M1025 OR STEEL COMP M1031 OR STEEL COMP 1031 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.140 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN |
| Thickness | 0.125 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 |
|---|---|
| 19734A5 PRIMARY | Kurz & Root Generator Company, Llc (USA) |
NSN 5310-01-223-9489 is a Washer,flat, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-223-9489 has 1 manufacturer part number on file: 19734A5 (Kurz & Root Generator Company, Llc).
Key specifications for 19734A5: Surface Treatment Document and Classification: ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 2.000 INCHES NOMINAL IN; Material Document and Classification: ASTM A663 ASSN STD ALL MATERIAL RESPONSES OR ASTM A575 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A575 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A575 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A575 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A575 ASSN STD 8TH MATERIAL RESPONSE 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.