The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-983-6649, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-983-6649 |
| Primary Part Number | 166378-2 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | CANCELLED |
| Width Across Flats | 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNF |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Quantity Per Inch | 40 |
| Head Height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Nondefinitive Spec/std Data | 6 TYPE |
| Head Diameter | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Length | 0.288 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 166378-2 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 234-606SCP | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 234-606SCP | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| 234-606SCP | Emcore Space & Navigation Corporation Div Space & Navigation (USA) |
| FF-S-86 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 72091 | Aerosonic Llc (USA) |
| MS16998-10 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-983-6649 is a Screw,cap,socket Head, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-983-6649 has 7 cross-referenced part numbers: 166378-2 (Zf Industrieantriebe Witten Gmbh), 234-606SCP (Honeywell Intl Inc Defense Avionics Systems), 234-606SCP (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 234-606SCP (Emcore Space & Navigation Corporation Div Space & Navigation), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.
There are 7 known substitutes for 5305-00-983-6649: 1660-00-388-0343, 5930-00-456-8461, 2810-00-522-2547 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 166378-2: Width Across Flats: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Material: STEEL OVERALL; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-983-6649 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.