The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-983-6663, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-983-6663 |
| Primary Part Number | 4912853-04 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | CANCELLED |
| Fastener Length | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL OVERALL |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Width Across Flats | 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Thread Length | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4912853-04 | Northrop Grumman Systems Corporation (USA) |
| 3M991-4-13 | The Boeing Company Div Defense (USA) |
| 190057 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 4912853-04 | Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA) |
| MS35456-26 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5305009836663 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 852642 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA) |
| MS-16998-46 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 852642-00 | Defense Reduction Agency (USA) |
| MS16998-46 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-983-6663 is a Screw,cap,socket Head, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-983-6663 has 10 cross-referenced part numbers: 4912853-04 (Northrop Grumman Systems Corporation), 3M991-4-13 (The Boeing Company Div Defense), 190057 (Zf Industrieantriebe Witten Gmbh), 4912853-04 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), MS35456-26 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.
There are 5 known substitutes for 5305-00-983-6663: 3120-00-256-7532, 5330-00-364-2758, 6680-00-371-6642 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4912853-04: Fastener Length: 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-983-6663 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.