The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-271-5073, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 5305-00-271-5073 |
| Primary Part Number | 12Z51PC247 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Width Across Flats | 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Material | STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 8640 OVERALL |
| Nondefinitive Spec/std Data | 1 TYPE AND 11 STYLE |
| Surface Treatment | ZINC OVERALL |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Height | 0.616 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Quantity Per Inch | 11 |
| Head Style | FLAT CHAMFER |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Minimum Yield Strength | 140000 POUNDS PER SQUARE INCH LBS |
| Head Diameter | 0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Internal Drive Style | HEXAGON |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFS86TYPE1STYLE11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 12Z51PC247 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 166344PC16 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 43-S-4371-190 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-271-5073 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-271-5073 has 4 cross-referenced part numbers: FFS86TYPE1STYLE11 (Federal Specifications Promulgated by General Services Administration Washington DC), 12Z51PC247 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 166344PC16 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43-S-4371-190 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There is 1 known substitute for 5305-00-271-5073: 3120-00-216-7711. Verify interchangeability with system specifications before substitution.
Key specifications for 12Z51PC247: Material Document and Classification: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL; Width Across Flats: 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; Material: STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 8640 OVERALL; Nondefinitive Spec/std Data: 1 TYPE AND 11 STYLE. 18 total characteristics are documented in the Federal Logistics Information System.