The Nut,sleeve, cataloged under National Stock Number 5310-01-038-8318, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-038-8318 |
| Primary Part Number | 9S8858 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Nut Length | 2.156 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Width Across Flats | 1.312 INCHES NOMINAL IN |
| Nut Counterbore Depth | 0.468 INCHES NOMINAL BOSS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Counterbore Diameter | 0.915 INCHES NOMINAL BOSS IN |
| Boss Thickness | 0.437 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape | HEXAGONAL NUT |
| Boss Diameter | 1.125 INCHES NOMINAL OVERALL IN |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 9 |
| Material | STEEL 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 |
|---|---|
| 9S-8858 | Finning (uk) Ltd (GBR) |
| 12KP499 | Oshkosh Defense Llc (USA) |
| 9S8858 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 10189413 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 9S8858-00 | 5/9 Secondary reference Mil-Tech Mfg Inc |
| 12KP499 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-038-8318 is a Nut,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-038-8318 has 3 manufacturer part numbers on file: 9S-8858 (Finning (uk) Ltd), 12KP499 (Oshkosh Defense Llc), 9S8858 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9S8858: Nut Length: 2.156 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Width Across Flats: 1.312 INCHES NOMINAL IN; Nut Counterbore Depth: 0.468 INCHES NOMINAL BOSS IN. 14 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.