The Washer,flat, cataloged under National Stock Number 5310-00-975-1697, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-975-1697 |
| Primary Part Number | 519619 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Overall Diameter | 0.310 INCHES NOMINAL IN |
| Hardness Rating | 61.0 ROCKWELL C MINIMUM AND 81.5 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5515 OR 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.192 INCHES NOMINAL IN |
| Thickness | 0.025 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 |
|---|---|
| 519619 | Newell Window Furnishings Co (CAN) |
| 519619 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 519619 | 5/9 Secondary reference Kwik File Storage Systems Llc |
| 519619 | 5/9 Secondary reference Trw Inc Vulcan Tools Div |
NSN 5310-00-975-1697 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-975-1697 has 2 manufacturer part numbers on file: 519619 (Newell Window Furnishings Co), 519619 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 519619: Overall Diameter: 0.310 INCHES NOMINAL IN; Hardness Rating: 61.0 ROCKWELL C MINIMUM AND 81.5 ROCKWELL C MAXIMUM; Material Document and Classification: AMS 5515 OR 5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.