The Washer,finishing, cataloged under National Stock Number 5310-01-109-2201, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-109-2201 |
| Primary Part Number | NAS1169C416 |
| 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 | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.745 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Specification/standard Data | 80205-NAS1169 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Recess Diameter | 0.507 INCHES MINIMUM AND 0.517 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Hole Diameter | 0.252 INCHES MINIMUM AND 0.282 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 |
|---|---|
| NAS1169C416 PRIMARY | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1169C416 PRIMARY | Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing (USA) |
| NAS1169C416 PRIMARY | Duplicate Parts Co (USA) |
| Reference | Meaning |
|---|---|
| 10431033 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| NAS1169C416 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1169C416 | 5/2 Secondary reference U.S. Government activity |
| NAS1169C416 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5310-01-109-2201 is a Washer,finishing, manufactured by Eriks Southwest Inc Dba Montclair Enterprises, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-109-2201 has 3 manufacturer part numbers on file: NAS1169C416 (Eriks Southwest Inc Dba Montclair Enterprises), NAS1169C416 (Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing), NAS1169C416 (Duplicate Parts Co).
Key specifications for NAS1169C416: Overall Height: 0.132 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: AMS 5732 ASSN STD 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.