The Washer,convex, cataloged under National Stock Number 5310-01-659-9015, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-659-9015 |
| Primary Part Number | BACW10CA72CVS |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2416 ASSN STD 1ST TREATMENT RESPONSE AND AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Style Designator | CONVEX |
| Material Document and Classification | AMS 6487 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Recess Depth | 0.007 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Material Thickness | 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Color | BLACK OVERALL |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Material | STEEL COMP H11 OR STEEL COMP 8740 OVERALL |
| Hole Diameter | 0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| BACW10CA72CVS | Howmet Global Fastening Systems Inc (USA) |
| BACW10CA72CVS | Monadnock Company, the Dba Lisi Aerospace (USA) |
| BACW10CA72CVS | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BACW10CA72CVS | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-659-9015 is a Washer,convex, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-659-9015 has 3 manufacturer part numbers on file: BACW10CA72CVS (Howmet Global Fastening Systems Inc), BACW10CA72CVS (Monadnock Company, the Dba Lisi Aerospace), BACW10CA72CVS (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for BACW10CA72CVS: Surface Treatment Document and Classification: AMS 2416 ASSN STD 1ST TREATMENT RESPONSE AND AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Style Designator: CONVEX; Material Document and Classification: AMS 6487 ASSN STD 1ST MATERIAL RESPONSE AND MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN. 11 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.