The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-285-6917, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-285-6917 |
| Primary Part Number | 358-20220 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| Status | ACTIVE |
| Fastener Length | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | -FF-S-86B FED SPEC 1ST TREATMENT RESPONSE OR ASAB18.3 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Thread Length | 1.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | AL |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M19-21121-D PC 170 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| 358-20220 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| Reference | Meaning |
|---|---|
| PL- M19-21121-D PC 170 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| 358-20020 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5305-01-285-6917 is a Screw,cap,socket Head, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-285-6917 has 2 manufacturer part numbers on file: M19-21121-D PC 170 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division), 358-20220 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division).
Key specifications for 358-20220: Fastener Length: 1.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: -FF-S-86B FED SPEC 1ST TREATMENT RESPONSE OR ASAB18.3 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Thread Length: 1.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.