The Washer,lock, cataloged under National Stock Number 5310-01-027-9535, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-027-9535 |
| Primary Part Number | 236MS009P018 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | QQ-S-763,CLASS 1,TYPE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.489 INCHES NOMINAL0.489 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL0.047 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.255 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 |
|---|---|
| 236MS009P018 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 236MS009P018 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 236MS009P018 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5310-01-027-9535 is a Washer,lock, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-027-9535 has 2 manufacturer part numbers on file: 236MS009P018 (Raytheon Company Dba Raytheon Co), 236MS009P018 (Raytheon Company).
Key specifications for 236MS009P018: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: QQ-S-763,CLASS 1,TYPE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.489 INCHES NOMINAL0.489 INCHES NOMINAL IN; Material Thickness: 0.047 INCHES NOMINAL0.047 INCHES NOMINAL 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.