The Gear,internal, cataloged under National Stock Number 3020-00-366-0138, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-366-0138 |
| Primary Part Number | 6931 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Form | STANDARD |
| Nominal Overall Length | 1.875 INCHES IN |
| Teeth Quantity | 72 |
| Bolt Hole Circle Nominal Diameter | 13.125 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Teeth Type | SPUR |
| Material | IRON CAST OVERALL |
| Attachment Method | MOUNTING HOLE |
| Mounting Hole Type and Quantity | 8 PLAIN AXIALLY THROUGH BODY FIRST END |
| Style Designator | PLAIN RING |
| Mounting Hole Nominal Diameter | 0.406 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Pitch Diameter | 12.0000 INCHES NOMINAL IN |
| Body Style | PLAIN, SOLID |
| Nominal Outside Diameter | 13.8725 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CF100-18TC1PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 6931 | Nelson M P Inc Tractor Shovel Div (USA) |
| UTD6931 | Dresser, Llc (USA) |
| NDP1010PC8 | H20 Tank Inc U S Motors Div (USA) |
| 17930PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| B211P2PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 14414PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207271APC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 6931 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| CF100-18TC1PC89 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 0P675 | Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA) |
| B211P1PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207271APC89 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90097PC89 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| NDP1011PC8 | H20 Tank Inc U S Motors Div (USA) |
| 90097PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 1-1534 | Benju Sales & Earths Choice Inc Dba Benju Div Benju Sales (USA) |
| X7333PC6931 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 3020-00-366-0138 is a Gear,internal, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-366-0138 has 18 cross-referenced part numbers: CF100-18TC1PC6931 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 6931 (Nelson M P Inc Tractor Shovel Div), UTD6931 (Dresser, Llc), NDP1010PC8 (H20 Tank Inc U S Motors Div), 17930PC6931 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 13 more.
There are 12 known substitutes for 3020-00-366-0138: 2520-00-211-5726, 4730-00-264-9163, 5133-00-266-9462 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6931: Pressure Angle: 20.0000 DEGREES; Tooth Form: STANDARD; Nominal Overall Length: 1.875 INCHES IN; Teeth Quantity: 72. 14 total characteristics are documented in the Federal Logistics Information System.