The Nut,sleeve, cataloged under National Stock Number 5310-01-321-8598, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-321-8598 |
| Primary Part Number | 128EDCC00526-11 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Diameter | 0.589 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Nut Length | 0.233 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.124 INCHES NOMINAL IN |
| Thread Series | UNS |
| Material Document and Classification | AMS 5640,TY 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.468 INCHES IN |
| Nut Diameter | 0.529 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND FIRST END |
| Cross-Sectional Shape | ROUND W/WRENCH FLATS SECOND END |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 128EDCC00526-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128EDCC00526-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5310-01-321-8598 is a Nut,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-321-8598 has 1 manufacturer part number on file: 128EDCC00526-11 (Northrop Grumman Systems Corporation).
Key specifications for 128EDCC00526-11: Flange Diameter: 0.589 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN; Nut Length: 0.233 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.124 INCHES NOMINAL IN. 16 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.