The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-659-2652, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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 | 5305-01-659-2652 |
| Primary Part Number | 12603882-004 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Head Diameter | 6.78 MILLIMETERS MINIMUM AND 7.22 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Internal Drive Style | HEXAGON |
| Thread Pitch in Millimeters | 0.7 |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Fastener Length | 25.0 MILLIMETERS NOMINAL MM |
| Head Height | 3.82 MILLIMETERS MINIMUM AND 4.00 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 3.02 MILLIMETERS MINIMUM AND 3.08 MILLIMETERS MAXIMUM MM |
| Thread Direction | RIGHT-HAND |
| Thread Length | 14.0 MILLIMETERS NOMINAL MM |
| Head Style | FLAT CHAMFER |
| Thread Series Designator | M |
| Material | STEEL PROPERTY CLASS 12.9 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12603882-004 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12603882-004 PRIMARY | Oshkosh Defense Llc (USA) |
| 12603882 | Oshkosh Defense Llc (USA) |
NSN 5305-01-659-2652 is a Screw,cap,socket Head, manufactured by Oshkosh Defense Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-659-2652 has 3 cross-referenced part numbers: 12603882-004 (U S Army Tank Automotive Command Amsta-Im-Mm), 12603882-004 (Oshkosh Defense Llc), 12603882 (Oshkosh Defense Llc).
There is 1 known substitute for 5305-01-659-2652: 5305-01-673-1996. Verify interchangeability with system specifications before substitution.
Key specifications for 12603882-004: End Item Identification: 2320-01-652-5218; Head Diameter: 6.78 MILLIMETERS MINIMUM AND 7.22 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Internal Drive Style: HEXAGON. 15 total characteristics are documented in the Federal Logistics Information System.