The Washer,finishing, cataloged under National Stock Number 5310-01-041-9656, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-041-9656 |
| Primary Part Number | BACW10U-B616 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Manufacturing & Supply, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 6TH MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.143 INCHES MINIMUM AND 1.173 INCHES MAXIMUM IN |
| Material Thickness | 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACW10U MANUFACTURERS STANDARD |
| Recess Diameter | 0.762 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1020 OR STEEL COMP 1025 OR STEEL COMP 1018 OR STEEL COMP 1009 OR STEEL COMP 1008 OR STEEL COMP 1015 OVERALL |
| Hole Diameter | 0.386 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Recess Angle | 100.0 DEGREES NOMINAL |
| 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 |
|---|---|
| BACW10U-B616 | Moeller Manufacturing & Supply, Llc (USA) |
| BACW10U-B616 | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| BACW10U-B616 | 5/9 Secondary reference Reliable Industries Inc Dba Reliable Fastener Products |
| BACW10U-B616 | 3/2 Design control — primary reference U.S. Government activity |
| BACW10U-B616 | 5/9 Secondary reference National Tool and Die Corp |
NSN 5310-01-041-9656 is a Washer,finishing, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-041-9656 has 2 manufacturer part numbers on file: BACW10U-B616 (Moeller Manufacturing & Supply, Llc), BACW10U-B616 (Anillo Industries Llc).
Key specifications for BACW10U-B616: Overall Height: 0.164 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-698 FED SPEC 6TH MATERIAL RESPONSE OVERALL. 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.