The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-021-3618, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-021-3618 |
| Primary Part Number | MS35307-6 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | HEXAGON |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 20 |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Length | 0.750 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35307-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| SHC250CX6 | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| 419-387 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5305-00-021-3618 is a Screw,cap,hexagon Head, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-021-3618 has 3 cross-referenced part numbers: MS35307-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), SHC250CX6 (Bae Systems Information and Electronic Systems Integration Inc.), 419-387 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There is 1 known substitute for 5305-00-021-3618: 5305-00-702-4523. Verify interchangeability with system specifications before substitution.
Key specifications for MS35307-6: Fastener Length: 0.750 INCHES NOMINAL IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL; Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.