The Washer,spring Tension, cataloged under National Stock Number 5310-00-596-9524, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-9524 |
| Primary Part Number | 497250-291 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.300 INCHES NOMINAL IN |
| Material Thickness | 0.045 INCHES NOMINAL IN |
| Material | STEEL COMP 1074 OVERALL |
| Hole Diameter | 3.370 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 |
|---|---|
| 497250-291 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1100 | 3/2 Design control — primary reference U.S. Government activity |
| A-48900-G | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 110 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-596-9524 is a Washer,spring Tension, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-9524 has 1 manufacturer part number on file: 497250-291 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-053-1937. Verify interchangeability with system specifications before substitution.
Key specifications for 497250-291: Overall Height: 0.302 INCHES NOMINAL IN; Material Document and Classification: MIL-S-17919 NUMBER 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 4.300 INCHES NOMINAL IN; Material Thickness: 0.045 INCHES NOMINAL IN. 5 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.