The Nut,plain,round, cataloged under National Stock Number 5310-00-637-0534, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-637-0534 |
| Primary Part Number | 21581-01 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Ge Aviation Systems Llc |
| Status | CANCELLED |
| Material | COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 OVERALL |
| Material Document and Classification | QQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 20 |
| Nut Thickness | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Drive Point Depth | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Drive Point Quantity | 2 |
| Nut Diameter | 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Nut Style | ROUND |
| Drive Point Width | 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-637-0534 is a Nut,plain,round, manufactured by Ge Aviation Systems Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-637-0534 has 2 cross-referenced part numbers: 21581 (Ge Aviation Systems Llc), 21581-01 (Ge Aviation Systems Llc).
There are 8 known substitutes for 5310-00-637-0534: 2990-00-451-4839, 6625-00-532-2992, 5310-00-584-7594 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21581-01: Material: COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 OVERALL; Material Document and Classification: QQ-B-750 FED SPEC ALL MATERIAL RESPONSES OVERALL; Nominal Thread Size: 0.500 INCHES IN; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-637-0534 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.