The Washer,flat, cataloged under National Stock Number 5310-01-465-3724, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Anillo Industries Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-465-3724 |
| Primary Part Number | HS306-208L |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Anillo Industries Llc |
| Status | ACTIVE |
| Overall Diameter | 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5518 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Thickness | 0.016 INCHES NOMINAL 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 |
|---|---|
| HS306-208L PRIMARY | Anillo Industries Llc (USA) |
| HS306-208L PRIMARY | Pac Zonamatic Inc (USA) |
| HS306-208L PRIMARY | Moeller Manufacturing & Supply, Llc (USA) |
| Reference | Meaning |
|---|---|
| HS306-208L | 7/2 Vendor item drawing reference The Boeing Company |
| HS306-208L | 3/2 Design control — primary reference U.S. Government activity |
| HS306-208L | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5310-01-465-3724 is a Washer,flat, manufactured by Anillo Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-465-3724 has 3 manufacturer part numbers on file: HS306-208L (Anillo Industries Llc), HS306-208L (Pac Zonamatic Inc), HS306-208L (Moeller Manufacturing & Supply, Llc).
Key specifications for HS306-208L: Overall Diameter: 0.273 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN; Material Document and Classification: AMS5518 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: STOCK IS COLD ROLLED 301 CRES, ONE-HALF HARD, 150 KSI TENSILE STRENGTH, 2B FINISH; 18CR - 8NI (SAE 30301); FITS NO. 2 SCREW. 8 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.