The Washer,flat, cataloged under National Stock Number 5310-01-729-1867, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fairlead Integrated, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-729-1867 |
| Primary Part Number | 3-125-0002-98 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fairlead Integrated, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2461 TYPE II, GRADE B, CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5046 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR AMS5046 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR AMS5046 OR ASTM A109/A109M, TEMPER 2 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ZINC NICKEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.505 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Thickness | 0.059 INCHES MINIMUM AND 0.067 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 |
|---|---|
| 3-125-0002-98 | Fairlead Integrated, Llc (USA) |
| Reference | Meaning |
|---|---|
| NAS1149F0863F | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-729-1867 is a Washer,flat, manufactured by Fairlead Integrated, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-729-1867 has 1 manufacturer part number on file: 3-125-0002-98 (Fairlead Integrated, Llc).
Key specifications for 3-125-0002-98: Surface Treatment Document and Classification: AMS2461 TYPE II, GRADE B, CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.870 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN; Material Document and Classification: AMS5046 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR AMS5046 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR AMS5046 OR ASTM A109/A109M, TEMPER 2 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.