The Washer,finishing, cataloged under National Stock Number 5310-00-489-3528, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eriks Southwest Inc Dba Montclair Enterprises. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-489-3528 |
| Primary Part Number | NAS1169DD8 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eriks Southwest Inc Dba Montclair Enterprises |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Specification/standard Data | 80205-NAS1169 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Recess Diameter | 0.332 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.166 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Recess Angle | 99.0 DEGREES MINIMUM AND 103.0 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 |
|---|---|
| NAS1169DD8 PRIMARY | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1169DD8 PRIMARY | Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing (USA) |
| NAS1169DD8 PRIMARY | Duplicate Parts Co (USA) |
| Reference | Meaning |
|---|---|
| 10121423 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| NAS1169DD8 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1169DD8 | 5/2 Secondary reference U.S. Government activity |
| NAS1169DD8 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5310-00-489-3528 is a Washer,finishing, manufactured by Eriks Southwest Inc Dba Montclair Enterprises, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-489-3528 has 3 manufacturer part numbers on file: NAS1169DD8 (Eriks Southwest Inc Dba Montclair Enterprises), NAS1169DD8 (Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing), NAS1169DD8 (Duplicate Parts Co).
Key specifications for NAS1169DD8: Overall Height: 0.094 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/5,T4 FED SPEC SINGLE 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.