The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-144-5588, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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 | 5305-01-144-5588 |
| Primary Part Number | QQ-N-281 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nondefinitive Spec/std Data | 6 TYPE |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 20 |
| Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT CHAMFER |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Length | 0.400 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| QQ-N-281 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 4491153 PC 36 | Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA) |
| FF-S-86 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 4491153-L-36 | Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA) |
| SS-522-4491153PC36 | Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance (USA) |
NSN 5305-01-144-5588 is a Screw,cap,socket Head, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-144-5588 has 5 cross-referenced part numbers: QQ-N-281 (Federal Specifications Promulgated by General Services Administration Washington DC), 4491153 PC 36 (Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC), 4491153-L-36 (Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance), SS-522-4491153PC36 (Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance).
There is 1 known substitute for 5305-01-144-5588: 5305-00-865-1656. Verify interchangeability with system specifications before substitution.
Key specifications for QQ-N-281: Minimum Yield Strength: 40000 POUNDS PER SQUARE INCH LBS; Internal Drive Style: HEXAGON; Fastener Length: 0.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.250 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.