The Gear,spur, cataloged under National Stock Number 3020-00-671-1555, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-671-1555 |
| Primary Part Number | 555-22 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| Status | ACTIVE |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Face Nominal Width | 0.312 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Hub Style Designator | 1 STEP FIRST END |
| First Step Nominal Diameter | 1.203 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| First Step Nominal Length | 0.188 INCHES FIRST END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Surface Treatment | OXIDE OVERALL |
| Material Document and Classification | MIL-S-6758,COMP 4130,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.438 INCHES FIRST END IN |
| End Nominal Length | 0.375 INCHES FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Teeth Quantity | 52 |
| End Nominal Diameter | 0.563 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Pitch Diameter | 1.6250 INCHES NOMINAL IN |
| Bore Nominal Diameter | 0.313 INCHES BOTH ENDS IN |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Mounting Hole Nominal Diameter | 0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 1.688 INCHES IN |
| Mounting Hole Type and Quantity | 1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Body Recess Nominal Depth | 0.250 INCHES SECOND END IN |
| Material | STEEL COMP 4130 OVERALL |
| Tooth Form | STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-671-1555 is a Gear,spur, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-671-1555 has 3 cross-referenced part numbers: 555-22 (Kilgore Flares Company Llc), 555-22 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc), 555-22 (Alliant Defense Electronics Systems Inc Dba Lundy Technical Center).
There are 7 known substitutes for 3020-00-671-1555: 3455-00-228-5231, 2920-00-294-3895, 3040-00-322-5602 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 555-22: Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL; Face Nominal Width: 0.312 INCHES IN; Bore Style: PLAIN BOTH ENDS; Hub Style Designator: 1 STEP FIRST END. 26 total characteristics are documented in the Federal Logistics Information System.