The Washer,convex, cataloged under National Stock Number 5310-01-338-4125, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-338-4125 |
| Primary Part Number | BACW10CA8CV |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | CONVEX |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Material Thickness | 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACW10CA MANUFACTURERS STANDARD |
| Surface Treatment | NICKEL ALLOY OVERALL |
| Material | STEEL COMP 630 OR STEEL COMP 631 OVERALL |
| Hole Diameter | 0.510 INCHES MINIMUM AND 0.520 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 | X |
| Part Number | Manufacturer |
|---|---|
| BACW10CA8CV | Howmet Global Fastening Systems Inc (USA) |
| BACW10CA8CV PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACW10CA8CV | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| BACW10CA8CV | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-338-4125 is a Washer,convex, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-338-4125 has 3 manufacturer part numbers on file: BACW10CA8CV (Howmet Global Fastening Systems Inc), BACW10CA8CV (Sps Technologies, Llc Dba PB Fasteners), BACW10CA8CV (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for BACW10CA8CV: Surface Treatment Document and Classification: AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: CONVEX; Material Document and Classification: AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN. 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.