The Washer,slotted, cataloged under National Stock Number 5310-00-913-2689, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-913-2689 |
| Primary Part Number | 661285-2 |
| Item Name | Washer,slotted |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Style Designator | SLOTTED |
| Material Document and Classification | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material Thickness | 0.002 INCHES NOMINAL IN |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL |
| Hole Diameter | 0.195 INCHES MINIMUM AND 0.215 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 |
|---|---|
| 661285-2 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 661285-2 | 3/2 Design control — primary reference U.S. Government activity |
| 661285-2 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 661285-2 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 5310-00-913-2689 is a Washer,slotted, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-913-2689 has 1 manufacturer part number on file: 661285-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 661285-2: Heat Treatment: AS FABRICATED; Style Designator: SLOTTED; Material Document and Classification: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN. 7 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.