The Washer,finishing, cataloged under National Stock Number 5310-01-026-4385, 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 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-026-4385 |
| Primary Part Number | NAS1169-DD516 |
| 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,TEMPER T3 OR TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.933 INCHES MINIMUM AND 0.958 INCHES MAXIMUM IN |
| Material Thickness | 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN |
| Recess Diameter | 0.635 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.400 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 |
|---|---|
| NAS1169-DD516 PRIMARY | Eriks Southwest Inc Dba Montclair Enterprises (USA) |
| NAS1169-DD516 PRIMARY | Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing (USA) |
| NAS1169-DD516 PRIMARY | Duplicate Parts Co (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0739885 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1169-DD516 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1169-DD516 | 5/2 Secondary reference U.S. Government activity |
| NAS1169-DD516 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5310-01-026-4385 is a Washer,finishing, manufactured by Eriks Southwest Inc Dba Montclair Enterprises, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-026-4385 has 3 manufacturer part numbers on file: NAS1169-DD516 (Eriks Southwest Inc Dba Montclair Enterprises), NAS1169-DD516 (Alvord-Polk, Inc Dba Ampm Div Aircraft Missile Parts Manufacturing), NAS1169-DD516 (Duplicate Parts Co).
Key specifications for NAS1169-DD516: Overall Height: 0.160 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,TEMPER T3 OR TEMPER T4 FED SPEC SINGLE 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.