The Washer,flat, cataloged under National Stock Number 5310-01-055-3679, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eldec Aerospace Corp. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-055-3679 |
| Primary Part Number | SH11-6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | .50.70.02 FSCM 08748 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.1875 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN |
| Thickness | 0.013 INCHES MINIMUM AND 0.017 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 |
|---|---|
| SH11-6 PRIMARY | Eldec Aerospace Corp (USA) |
NSN 5310-01-055-3679 is a Washer,flat, manufactured by Eldec Aerospace Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-055-3679 has 1 manufacturer part number on file: SH11-6 (Eldec Aerospace Corp).
Key specifications for SH11-6: Surface Treatment Document and Classification: .50.70.02 FSCM 08748 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL. 9 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.