The Nut,plain,square, cataloged under National Stock Number 5310-00-275-1983, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-275-1983 |
| Primary Part Number | 411256ALT0PC37 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Hole Configuration Style | CONFIGURATION D |
| Nominal Thread Size | 1.125 INCHES IN |
| Thread Class | 3B |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 12 |
| Nut Height | 1.125 INCHES NOMINAL IN |
| Nut Style | SQUARE |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Bearing Surface Type | FLAT |
| Material | STEEL COMP 1045 OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 60-02-125 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| N66-02-002BPC37 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| N68-02-003BPC33 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| N60-71-001ITEM3 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| 411256ALT0PC37 PRIMARY | Naval Ship Systems Command (USA) |
| N66-02-001BPC37 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| N68-02-006BPC33 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| N60-71-008ITEM3 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
NSN 5310-00-275-1983 is a Nut,plain,square, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-275-1983 has 8 cross-referenced part numbers: 60-02-125 (Ecolaire Inc Baldwin-Hamilton Co Div), N66-02-002BPC37 (Ecolaire Inc Baldwin-Hamilton Co Div), N68-02-003BPC33 (Ecolaire Inc Baldwin-Hamilton Co Div), N60-71-001ITEM3 (Ecolaire Inc Baldwin-Hamilton Co Div), 411256ALT0PC37 (Naval Ship Systems Command) and 3 more.
There are 2 known substitutes for 5310-00-275-1983: 5815-00-604-2083, 1630-01-067-4451. Verify interchangeability with system specifications before substitution.
Key specifications for 411256ALT0PC37: Hole Configuration Style: CONFIGURATION D; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Nominal Thread Size: 1.125 INCHES IN; Thread Class: 3B. 13 total characteristics are documented in the Federal Logistics Information System.