The Washer,convex, cataloged under National Stock Number 5310-01-338-6849, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-338-6849 |
| Primary Part Number | BACW10CA5CVU |
| 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 | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| 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 | 0.595 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACW10CA PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OR STEEL COMP 631 OVERALL |
| Hole Diameter | 0.323 INCHES MINIMUM AND 0.333 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 |
|---|---|
| BACW10CA5CVU | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACW10CA5CVU | Monadnock Company, the Dba Lisi Aerospace (USA) |
| BACW10CA5CVU | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACW10CA5CVU | 3/2 Design control — primary reference U.S. Government activity |
| BACW10CA5CVU | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-338-6849 is a Washer,convex, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-338-6849 has 3 manufacturer part numbers on file: BACW10CA5CVU (Sps Technologies, Llc Dba PB Fasteners), BACW10CA5CVU (Monadnock Company, the Dba Lisi Aerospace), BACW10CA5CVU (Howmet Global Fastening Systems Inc).
Key specifications for BACW10CA5CVU: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Style Designator: CONVEX; Material Document and Classification: AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5528 ASSN STD 2ND MATERIAL RESPONSE OVERALL. 10 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.