The Washer,recessed, cataloged under National Stock Number 5310-01-124-2440, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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 | 5310-01-124-2440 |
| Primary Part Number | 9328589-2 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Recess Diameter | 0.6760 INCHES MINIMUM AND 0.6860 INCHES MAXIMUM IN |
| Material | STEEL COMP 4130 OVERALL |
| Hole Diameter | 0.5670 INCHES MINIMUM AND 0.5820 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 9328589-2 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5310-01-124-2440 is a Washer,recessed, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-124-2440 has 1 manufacturer part number on file: 9328589-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 9328589-2: Style Designator: RECESSED; Material Document and Classification: QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN; Material Thickness: 0.010 INCHES NOMINAL IN. 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.