The Washer,flat, cataloged under National Stock Number 5310-01-005-6641, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cornell-Carr Co., Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-005-6641 |
| Primary Part Number | CC5045-45B |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cornell-Carr Co., Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.625 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| CC5045-45B PRIMARY | Cornell-Carr Co., Inc. (USA) |
| CC1189PC58 | Cornell-Carr Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| CC-5045-45B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-005-6641 is a Washer,flat, manufactured by Cornell-Carr Co., Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-005-6641 has 2 manufacturer part numbers on file: CC5045-45B (Cornell-Carr Co., Inc.), CC1189PC58 (Cornell-Carr Co., Inc.).
Key specifications for CC5045-45B: Overall Diameter: 0.875 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 7 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.