The Nut,plain,cap, cataloged under National Stock Number 5310-00-275-3338, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Todd Combustion Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-275-3338 |
| Primary Part Number | N4-2-1 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Todd Combustion Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3B |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Nut Height | 0.437 INCHES NOMINAL IN |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 18 |
| Nut Style | CAP |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| Nondefinitive Spec/std Data | 3 TYPE AND 15 STYLE |
| Material Document and Classification | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Departure From Cited Designator | AS MODIFIED BY DIMENSIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-275-3338 is a Nut,plain,cap, manufactured by Todd Combustion Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-275-3338 has 3 cross-referenced part numbers: N4-2-1 (Vigor Shipyards, Llc Div Vigor Shipyards, Inc.), FFN836 (Federal Specifications Promulgated by General Services Administration Washington DC), N4-2-1 (Todd Combustion Inc).
There are 3 known substitutes for 5310-00-275-3338: 4820-00-213-0003, 6625-00-929-4281, 5330-00-969-0743. Verify interchangeability with system specifications before substitution.
Key specifications for N4-2-1: Thread Direction: RIGHT-HAND; Thread Class: 3B; Width Across Flats: 0.562 INCHES NOMINAL IN; Nut Height: 0.437 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.