The Washer,spring Tension, cataloged under National Stock Number 5310-01-006-2097, 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 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-006-2097 |
| Primary Part Number | BACW10AZ4 |
| Item Name | Washer,spring Tension |
| 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 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.552 INCHES MINIMUM AND 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM0.572 INCHES MAXIMUM IN |
| Material Thickness | 0.008 INCHES NOMINAL0.008 INCHES NOMINAL IN |
| Specification/standard Data | 81205-BACW10AZ MANUFACTURERS STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM0.267 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 |
|---|---|
| BACW10AZ4 | Moeller Manufacturing & Supply, Llc (USA) |
| Reference | Meaning |
|---|---|
| BACW10AZ4 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| BACW10AZ4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-006-2097 is a Washer,spring Tension, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-006-2097 has 1 manufacturer part number on file: BACW10AZ4 (Moeller Manufacturing & Supply, Llc).
Key specifications for BACW10AZ4: Overall Height: 0.045 INCHES MINIMUM AND 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM0.075 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.552 INCHES MINIMUM AND 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM0.572 INCHES MAXIMUM IN. 8 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.