The Washer,flat, cataloged under National Stock Number 5310-01-525-0113, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Gcs International Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-525-0113 |
| Primary Part Number | LP399-M24-CR-1-4122 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Gcs International Ltd |
| Status | ACTIVE |
| Overall Diameter | 38.0 MILLIMETERS NOMINAL MM |
| Supplementary Features | MECHANICAL SPRING IN THE FORM OF A SHALLOW CONE HAVING A TRAPEZODIAL CROSS-SECTION WITH CENTRAL CLEARANCE HOLE; BOTH THE TOP AND BOTTOM FACES OF THE WASHER HAVE RADIAL SERRATIONS; ITEM PROVIDES POSITIVE LOCKING OF THREADED COMPONENTS |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 25.6 MILLIMETERS NOMINAL MM |
| Thickness | 2.9 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| LP399-M24-CR-1-4122 | Bae Systems Gcs International Ltd (GBR) |
| Reference | Meaning |
|---|---|
| S24CR1.4122 | 3/9 Design control — primary reference Schnorr Corp |
NSN 5310-01-525-0113 is a Washer,flat, manufactured by Bae Systems Gcs International Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-525-0113 has 1 manufacturer part number on file: LP399-M24-CR-1-4122 (Bae Systems Gcs International Ltd).
Key specifications for LP399-M24-CR-1-4122: Overall Diameter: 38.0 MILLIMETERS NOMINAL MM; Supplementary Features: MECHANICAL SPRING IN THE FORM OF A SHALLOW CONE HAVING A TRAPEZODIAL CROSS-SECTION WITH CENTRAL CLEARANCE HOLE; BOTH THE TOP AND BOTTOM FACES OF THE WASHER HAVE RADIAL SERRATIONS; ITEM PROVIDES POSITIVE LOCKING OF THREADED COMPONENTS; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.