The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-273-5581, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-273-5581 |
| Primary Part Number | 12Z1007-217 |
| 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 |
| Head Height | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 16 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 304 OR STEEL COMP 303 OVERALL |
| Minimum Yield Strength | 30000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Hardness Rating | 80.0 ROCKWELL B MINIMUM OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Material Document and Classification | QQ-S-763 COND A FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Width Across Flats | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 6 TYPE |
| Internal Drive Style | HEXAGON |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Head Diameter | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12Z1007-217 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MILS933TYPEC | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| FFS86TYPE6 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-273-5581 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 5305-00-273-5581 has 3 cross-referenced part numbers: 12Z1007-217 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MILS933TYPEC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FFS86TYPE6 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 11 known substitutes for 5305-00-273-5581: 5305-00-080-4480, 5305-00-227-1003, 5305-00-273-5557 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12Z1007-217: Head Height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Quantity Per Inch: 16; Surface Treatment: PASSIVATE OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 18 total characteristics are documented in the Federal Logistics Information System.