The Washer,flat, cataloged under National Stock Number 5310-01-633-3852, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Klinge Enameling Company, Inc. Government technical data includes 9 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 | 5310-01-633-3852 |
| Primary Part Number | K21-16547-08BLK |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Klinge Enameling Company, Inc |
| Status | ACTIVE |
| Overall Diameter | 24.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | 18-8 STAINLESS STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 8.4 MILLIMETERS NOMINAL MM |
| Thickness | 1.8 MILLIMETERS MINIMUM AND 2.2 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 |
|---|---|
| K21-16547-08BLK PRIMARY | Klinge Enameling Company, Inc (USA) |
| K21-16547-08BLK PRIMARY | Klinge Corporation Dba Klinge Corp (USA) |
NSN 5310-01-633-3852 is a Washer,flat, manufactured by Klinge Enameling Company, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-633-3852 has 2 manufacturer part numbers on file: K21-16547-08BLK (Klinge Enameling Company, Inc), K21-16547-08BLK (Klinge Corporation Dba Klinge Corp).
Key specifications for K21-16547-08BLK: Overall Diameter: 24.0 MILLIMETERS NOMINAL MM; Material Document and Classification: 18-8 STAINLESS STEEL MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 9 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.