The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-281-1820, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Apollo Aerospace. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-281-1820 |
| Primary Part Number | 3013108-2 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Apollo Aerospace |
| Status | ACTIVE |
| Width Across Flats | 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | M |
| Thread Pitch in Millimeters | 0.45 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.5 MILLIMETERS MM |
| Nut Height | 1.75 MILLIMETERS MINIMUM AND 2.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304L OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 3013108-2 PRIMARY | Apollo Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 99000227-002 | C/1 Advisory reference — outside the item-of-supply concept Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services |
| A3013108-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| 3013108-2 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5310-01-281-1820 is a Nut,plain,hexagon, manufactured by Apollo Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-281-1820 has 1 manufacturer part number on file: 3013108-2 (Apollo Aerospace).
Key specifications for 3013108-2: Width Across Flats: 4.82 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: M. 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.