The Nut,sleeve, cataloged under National Stock Number 5310-01-412-5993, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kurz-Kasch Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-412-5993 |
| Primary Part Number | MODEL NO. 76 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kurz-Kasch Inc |
| Status | ACTIVE |
| Flange Diameter | 0.750 INCHES NOMINAL IN |
| Nut Length | 0.310 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Length | 0.310 INCHES NOMINAL OVERALL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.630 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND BASE |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON OVERALL EXCEPT INSERT |
| 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 |
|---|---|
| MODEL NO. 76 PRIMARY | Kurz-Kasch Inc (USA) |
| Reference | Meaning |
|---|---|
| A3006814-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-412-5993 is a Nut,sleeve, manufactured by Kurz-Kasch Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-412-5993 has 1 manufacturer part number on file: MODEL NO. 76 (Kurz-Kasch Inc).
Key specifications for MODEL NO. 76: Flange Diameter: 0.750 INCHES NOMINAL IN; Nut Length: 0.310 INCHES NOMINAL IN; Thread Series: UNF; Thread Length: 0.310 INCHES NOMINAL OVERALL IN. 12 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.