The Washer,lock, cataloged under National Stock Number 5310-01-216-1375, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Conax Florida Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-216-1375 |
| Primary Part Number | CC-357-02 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Conax Florida Corporation |
| Status | ACTIVE |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.220 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 305 OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.148 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 |
|---|---|
| CC-357-02 PRIMARY | Conax Florida Corporation (USA) |
| Reference | Meaning |
|---|---|
| CC-357-02 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-216-1375 is a Washer,lock, manufactured by Conax Florida Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-216-1375 has 1 manufacturer part number on file: CC-357-02 (Conax Florida Corporation).
Key specifications for CC-357-02: Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 0.220 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.