The Washer,flat, cataloged under National Stock Number 5310-01-513-8600, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fluid Handling Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-513-8600 |
| Primary Part Number | 3-693-2-10-002-01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fluid Handling Llc |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.649 INCHES MINIMUM AND 0.686 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 |
|---|---|
| 5-131-10-045-003 PC 8 | Fluid Handling Llc (USA) |
| 3-693-2-10-002-01 PRIMARY | Fluid Handling Llc (USA) |
| Reference | Meaning |
|---|---|
| 5-131-10-045-003 PC 8 | 5/9 Secondary reference Itt Corporation Dba Itt Standard |
| 3-693-2-10-002-01 | 3/9 Design control — primary reference Itt Corporation Dba Itt Standard |
NSN 5310-01-513-8600 is a Washer,flat, manufactured by Fluid Handling Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-513-8600 has 2 manufacturer part numbers on file: 5-131-10-045-003 PC 8 (Fluid Handling Llc), 3-693-2-10-002-01 (Fluid Handling Llc).
Key specifications for 3-693-2-10-002-01: Special Features: COPPER NICKEL MATERIAL 90/10; End Item Identification: COOLER FD LUB; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.649 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN. 2 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.