NSN catalog · 90,963 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-657-8527
Helical Gear P/N 6578527
In stock — 10 on our U.S. shelfNSN 3020-00-657-8527 3020006578527 NIIN 006578527
SECO Parts has 10 in stock of NSN 3020-00-657-8527 — 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/M LOW
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Also known as:
3020-00-657-8527 006578527 6578527 0E311
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
- Features provided
- Single Helix
- Pressure angle
- Degrees 20.0000
- Hub nominal diameter
- Second End Inches 6.688
- Mounting hole nominal diameter
- Axially Through Hub First End Inches 0.562
- Bore nominal diameter
- Both Ends Inches 3.876
- Material
- Overall Steel Comp 8620H
- Tooth form
- Standard
- Helix angle
- Degrees 24.7839
- Hardness rating
- Overall Rockwell C Minimum 58.0 and Rockwell C Maximum 65.0
- Attachment method
- Mounting Hole
- Pitch diameter
- 9.2520 in (nominal)
- Hub nominal diameter
- First End Inches 6.688
- Teeth quantity
- 42
- Material document and classification
- Overall Fed STD 5TH Material Response ED STD 66,Aisi to SAE 8620H
- Counterbore nominal depth
- Both Ends Inches 0.625
- Bolt hole circle nominal diameter
- Axially Through Hub First End Inches 4.750
- Tooth direction
- Right
- Nominal outside diameter
- Inches 9.650
- Mounting hole type and quantity
- Axially Through Hub First End Plain 6
- Face nominal width
- Inches 1.750
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
6578527 0E311
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 3020-00-657-8527?
NSN 3020-00-657-8527 (3020006578527) — Helical Gear: SECO Parts has 10 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 3020-00-657-8527 available?
SECO Parts has 10 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-657-8527 cost?
SECO quotes NSN 3020-00-657-8527 on request, usually the same business day.
What part numbers cross-reference to NSN 3020-00-657-8527?
Part numbers that cross-reference this NSN include 6578527, 0E311. 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.