The Nut,plain,knurled, cataloged under National Stock Number 5310-01-186-1248, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-186-1248 |
| Primary Part Number | 82A5027A1553 |
| Item Name | Nut,plain,knurled |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Configuration Style | CONFIGURATION F |
| Thread Pitch Diameters | +1.9120 TO 1.9170 INCHES IN |
| Material Document and Classification | QQ-B-637,HALF HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,HALF HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 15.60 MILLIMETERS MINIMUM AND 15.90 MILLIMETERS MAXIMUM NUT MM |
| Thread Direction | RIGHT-HAND |
| Nut Diameter | 58.25 MILLIMETERS MINIMUM AND 59.45 MILLIMETERS MAXIMUM MM |
| Counterbore Diameter | 52.20 MILLIMETERS MINIMUM AND 52.70 MILLIMETERS MAXIMUM NUT MM |
| Nut Thickness | 30.40 MILLIMETERS MINIMUM AND 30.60 MILLIMETERS MAXIMUM MM |
| Drilled Hole Diameter | 3.11 MILLIMETERS MINIMUM AND 3.25 MILLIMETERS MAXIMUM MM |
| Surface Treatment | OXIDE OVERALL |
| Nut Style | KNURLED |
| Material | COPPER ALLOY 464 OR COPPER ALLOY 360 OVERALL |
| Hole Type and Quantity | 3 DRILLED |
| 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 |
|---|---|
| 82A5027A1553 | Penn Engineering & Manufacturing Corp (USA) |
| 82A5027A1553 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 5310-01-186-1248 is a Nut,plain,knurled, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-186-1248 has 2 manufacturer part numbers on file: 82A5027A1553 (Penn Engineering & Manufacturing Corp), 82A5027A1553 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 82A5027A1553: Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Configuration Style: CONFIGURATION F; Thread Pitch Diameters: +1.9120 TO 1.9170 INCHES IN; Material Document and Classification: QQ-B-637,HALF HARD FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,HALF HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL. 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.