The Washer,flat, cataloged under National Stock Number 5310-01-548-3828, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-548-3828 |
| Primary Part Number | DF330643 FIND 17CP |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Overall Diameter | 1.041 INCHES MINIMUM AND 1.046 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY K-500 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.625 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Thickness | 0.060 INCHES MINIMUM AND 0.063 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 | S |
| Part Number | Manufacturer |
|---|---|
| DF330643 FIND 17CP | Naval Inventory Control Point Mechanicsburg (USA) |
| H547-0001-DF330643-017CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408783 FIND 17CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-DF330643-017CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| H547-0001-DF330643-017 | 5/1 Secondary reference U.S. Government activity |
| 801-6408783 FIND 17 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF330643 FIND 17 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 7383858-DF330643-017 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5310-01-548-3828 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-548-3828 has 4 manufacturer part numbers on file: DF330643 FIND 17CP (Naval Inventory Control Point Mechanicsburg), H547-0001-DF330643-017CP (Naval Inventory Control Point Mechanicsburg), 801-6408783 FIND 17CP (Naval Inventory Control Point Mechanicsburg), 7383858-DF330643-017CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF330643 FIND 17CP: Overall Diameter: 1.041 INCHES MINIMUM AND 1.046 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.