The Washer,split, cataloged under National Stock Number 5310-01-008-5425, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gichner Systems Group, Inc. Div C5isr Division. Government technical data includes 7 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 | 5310-01-008-5425 |
| Primary Part Number | 4001147-2 |
| Item Name | Washer,split |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gichner Systems Group, Inc. Div C5isr Division |
| Status | ACTIVE |
| Distance Across Split Opening | 0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN |
| Style Designator | SPLIT |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.021 INCHES MINIMUM AND 0.026 INCHES MAXIMUM0.026 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.315 INCHES NOMINAL0.315 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 |
|---|---|
| 4001147-2 PRIMARY | Gichner Systems Group, Inc. Div C5isr Division (USA) |
NSN 5310-01-008-5425 is a Washer,split, manufactured by Gichner Systems Group, Inc. Div C5isr Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-008-5425 has 1 manufacturer part number on file: 4001147-2 (Gichner Systems Group, Inc. Div C5isr Division).
Key specifications for 4001147-2: Distance Across Split Opening: 0.050 INCHES NOMINAL0.050 INCHES NOMINAL IN; Style Designator: SPLIT; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN. 7 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.