The Washer,flat, cataloged under National Stock Number 5310-01-526-3098, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Telephonics Corp. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-526-3098 |
| Primary Part Number | 560-0248-004 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Overall Diameter | 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-410, NYLON 6/12 ELECTRICAL GRADE, NATURAL FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.154 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Thickness | 0.020 INCHES MINIMUM AND 0.025 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 |
|---|---|
| 560-0248-004 PRIMARY | Telephonics Corp (USA) |
NSN 5310-01-526-3098 is a Washer,flat, manufactured by Telephonics Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-526-3098 has 1 manufacturer part number on file: 560-0248-004 (Telephonics Corp).
Key specifications for 560-0248-004: Overall Diameter: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Material Document and Classification: L-P-410, NYLON 6/12 ELECTRICAL GRADE, NATURAL FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: ONE MIN GATE PROTRUSION: 0.003/0.008 LOCATION & SIZE OPTIONAL. 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.