The Nut,plain,round, cataloged under National Stock Number 5310-01-056-2174, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-056-2174 |
| Primary Part Number | 8666 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 40 |
| Nominal Thread Size | 0.112 INCHES IN |
| Material | PLASTIC PHENOLIC OVERALL |
| Material Document and Classification | MIL-P-79A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Nut Thickness | 0.375 INCHES NOMINAL IN |
| Nut Diameter | 0.250 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-056-2174 is a Nut,plain,round, manufactured by Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-056-2174 has 2 cross-referenced part numbers: 8666 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), 8666 (Dialight Corporation).
There are 8 known substitutes for 5310-01-056-2174: 1680-00-529-8264, 6850-00-570-9360, 4730-00-622-5843 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8666: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 40; Nominal Thread Size: 0.112 INCHES IN; Material: PLASTIC PHENOLIC OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.