The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-060-2540, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Long-Lok, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-060-2540 |
| Primary Part Number | LL57U40J6M |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Long-Lok, Llc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Head Diameter | 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Fastener Length | 0.370 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT CHAMFER |
| Head Height | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES MINIMUM IN |
| Locking Feature | STRIP THREADS |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Internal Drive Style | HEXAGON |
| Width Across Flats | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LL57U40J6M | Long-Lok, Llc (USA) |
| 61511800524 | Elbitamerica, Inc. (USA) |
| 910060-0406 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| FF-S-86 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MIL-DTL-18240 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 31603 | Bowmar Llc Dba Bowmar Instrument Corp (USA) |
| LL57U40J6 | Long-Lok, Llc (USA) |
NSN 5305-00-060-2540 is a Screw,cap,socket Head, manufactured by Long-Lok, Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-060-2540 has 7 cross-referenced part numbers: LL57U40J6M (Long-Lok, Llc), 61511800524 (Elbitamerica, Inc.), 910060-0406 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC), MIL-DTL-18240 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.
There are 12 known substitutes for 5305-00-060-2540: 5305-00-115-6184, 5320-00-117-7516, 5305-00-340-5424 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for LL57U40J6M: Material: STEEL CORROSION RESISTING OVERALL; Head Diameter: 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Fastener Length: 0.370 INCHES NOMINAL IN; Thread Class: 3A A. 16 total characteristics are documented in the Federal Logistics Information System.