The Screw,machine, cataloged under National Stock Number 5305-00-638-8028, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 5305-00-638-8028 |
| Primary Part Number | 756-7121-004 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 |
| Thread Length | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Screw Material | STEEL |
| Screw Surface Treatment | PASSIVATE |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 756-7121-004 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
| FFS92TYPE3STYLE9C | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS35216-28 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 343-0173-000 | Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA) |
NSN 5305-00-638-8028 is a Screw,machine, manufactured by Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-638-8028 has 4 cross-referenced part numbers: 756-7121-004 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), FFS92TYPE3STYLE9C (Federal Specifications Promulgated by General Services Administration Washington DC), MS35216-28 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 343-0173-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems).
There is 1 known substitute for 5305-00-638-8028: 5305-00-984-4983. Verify interchangeability with system specifications before substitution.
Key specifications for 756-7121-004: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Fastener Length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN; Internal Drive Style: CROSS RECESS TYPE 1. 13 total characteristics are documented in the Federal Logistics Information System.