NSN catalog · 90,963 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-752-1686
Helical Gear P/N 3892B1120
In stock — 204 on our U.S. shelfNSN 3020-00-752-1686 3020007521686 NIIN 007521686
SECO Parts has 204 in stock of NSN 3020-00-752-1686 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $189.61 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
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, DIFFERENTIAL
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 204 |
| Total | 204 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-752-1686 007521686 3892B1120 7521686 801E561
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
- Tooth direction
- Left
- Body recess nominal depth
- Second End Inches 0.500
- Nominal outside diameter
- Inches 10.235
- Bore nominal diameter
- Both Ends Inches 6.1255
- Mounting hole nominal diameter
- Axially Through Body First End Inches 0.565
- Bolt hole circle nominal diameter
- Axially Through Body First End Inches 7.125
- Material
- Overall Steel
- Features provided
- Single Helix
- Tooth form
- Standard
- Pitch diameter
- 9.9000 in (nominal)
- Pressure angle
- Degrees 18.4240
- Helix angle
- Degrees 23.7587
- Body recess nominal depth
- First End Inches 0.500
- Teeth quantity
- 33
- Face nominal width
- Inches 2.000
- Attachment method
- Mounting Hole
- Mounting hole type and quantity
- Axially Through Body First End Plain 8
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
3892B1120 7521686 801E561
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 204 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| 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 3020-00-752-1686?
NSN 3020-00-752-1686 (3020007521686) — Helical Gear: SECO Parts has 204 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 3020-00-752-1686 available?
SECO Parts has 204 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-752-1686 cost?
The government catalog (FEDLOG) lists NSN 3020-00-752-1686 at $189.61 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 3020-00-752-1686?
Part numbers that cross-reference this NSN include 3892B1120, 7521686, 801E561. 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.