The Screw,close Tolerance, cataloged under National Stock Number 5305-00-508-5149, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-508-5149 |
| Primary Part Number | LS15235C4-11 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corp |
| Status | ACTIVE |
| Material | IRON ALLOY 660 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Quantity Per Inch | 28 |
| Thread Length | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Grip Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Fastener Length | 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT COUNTERSUNK |
| Head Diameter | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LS15235C4-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| LS15235C4-11 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AN515C-8-8 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| LS15235C4-11 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| LS15235C4-11 | Hi-Shear Corporation (USA) |
| LS15235C4-11 PRIMARY | Lockheed Martin Corp (USA) |
NSN 5305-00-508-5149 is a Screw,close Tolerance, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-508-5149 has 6 cross-referenced part numbers: LS15235C4-11 (Sps Technologies, Llc Dba PB Fasteners), LS15235C4-11 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), AN515C-8-8 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), LS15235C4-11 (Howmet Global Fastening Systems Inc Div Torrance Operations), LS15235C4-11 (Hi-Shear Corporation) and 1 more.
There is 1 known substitute for 5305-00-508-5149: 5305-00-054-6670. Verify interchangeability with system specifications before substitution.
Key specifications for LS15235C4-11: Material: IRON ALLOY 660 OVERALL; Surface Treatment: PASSIVATE OVERALL; Minimum Tensile Strength: 160000 POUNDS PER SQUARE INCH LBS; Thread Class: 3A A. 18 total characteristics are documented in the Federal Logistics Information System.