NSN catalog · 90,963 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-678-2981
Helical Gear P/N 7536193
In stock — 13 on our U.S. shelfNSN 3020-00-678-2981 3020006782981 NIIN 006782981
SECO Parts has 13 in stock of NSN 3020-00-678-2981 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- GEAR,HELICAL
- SECO description
- GEAR, T/C INTERMDT
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| Serviceable | SV | 13 |
| Total | 13 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-678-2981 006782981 7536193 8754369
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- First step nominal length
- First End Inches 0.747
- Bore nominal diameter
- Both Ends Inches 1.863
- Features provided
- Single Helix
- Hub nominal diameter
- Second End Inches 2.440
- Tooth direction
- Left
- First step nominal diameter
- First End Inches 2.560
- Face nominal width
- Inches 1.235
- Material document and classification
- Overall Fed Spec Single Material Response QQ-S-624 FS 8620 to 8622
- Pitch diameter
- 4.6470 in (nominal)
- Teeth quantity
- 33
- Nominal distance between body face and protruding hub end
- Second End Inches 0.245
- Material
- Overall Steel
- Hardness rating
- Body Rockwell C Minimum 25.0 and Rockwell C Maximum 39.0
- Hardness rating
- Hub Rockwell C Nominal 60.0
- Nominal outside diameter
- Inches 4.890
- Nominal overall length
- Inches 2.472
- Tooth form
- Standard
- End nominal diameter
- First End Inches 2.440
- Pressure angle
- Degrees 17.0000
- Helix angle
- Degrees 33.3375
- Nominal distance between body face and protruding hub end
- First End Inches 0.992
- End nominal length
- First End Inches 0.245
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
7536193 8754369
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
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FAQ
What is NSN 3020-00-678-2981?
NSN 3020-00-678-2981 (3020006782981) — Helical Gear: SECO Parts has 13 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for helical gear in federal supply class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain).
Is NSN 3020-00-678-2981 available?
SECO Parts has 13 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-678-2981 cost?
SECO quotes NSN 3020-00-678-2981 on request, usually the same business day.
What part numbers cross-reference to NSN 3020-00-678-2981?
Part numbers that cross-reference this NSN include 7536193, 8754369. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names GEAR,HELICAL. Same name is not the same part: check the part numbers.