The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-348-4888, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 13 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-348-4888 |
| Primary Part Number | 4601-27 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | MS35650-3402 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Nut Height | 0.301 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL 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 |
|---|---|
| 4601-27 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
NSN 5310-01-348-4888 is a Nut,plain,hexagon, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-348-4888 has 1 manufacturer part number on file: 4601-27 (Pdi Ground Support Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6525-01-522-4396, 5305-01-572-8135, 2040-01-722-0715. Verify interchangeability with system specifications before substitution.
Key specifications for 4601-27: Width Across Flats: 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: MS35650-3402 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 13 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.