NSN catalog · 90,963 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-692-5686
Helical Gear P/N DU903
In stock — 218 on our U.S. shelfNSN 3020-00-692-5686 3020006925686 NIIN 006925686
SECO Parts has 218 in stock of NSN 3020-00-692-5686 — 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, HELICAL
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 218 |
| Total | 218 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-692-5686 006925686 DU903 6245938
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
- Material
- Overall Steel Comp 8617H or Steel Comp 8620
- Nominal distance between body face and protruding hub end
- Second End Inches 0.094
- Attachment method
- Mounting Hole
- Tooth direction
- Left
- Pressure angle
- Degrees 17.5000
- Helix angle
- Degrees 25.8419
- Material document and classification
- Overall Fed STD 1ST Material Response Fed ST6 66,Aisi to SAE 8617H or Fed STD 2ND Material Response 8620
- Hub nominal diameter
- Second End Inches 2.688
- Mounting hole nominal diameter
- Axially Through Hub First End Inches 0.359
- Bolt hole circle nominal diameter
- Axially Through Hub First End Inches 3.250
- Counterbore nominal diameter
- First End Inches 2.9375
- Pitch diameter
- 5.0000 in (nominal)
- Teeth quantity
- 27
- Bore nominal diameter
- Both Ends Inches 2.107
- Features provided
- Single Helix
- Hardness rating
- Hub Rockwell C Minimum 59.0 and Rockwell C Maximum 63.0
- Mounting hole type and quantity
- Axially Through Hub First End Plain 15
- Nominal outside diameter
- Inches 5.330
- Nominal overall length
- Inches 2.344
- Tooth form
- Standard
- Hub nominal diameter
- First End Inches 3.875
- Nominal distance between body face and protruding hub end
- First End Inches 0.375
- Counterbore nominal depth
- First End Inches 0.594
- Face nominal width
- Inches 1.875
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
DU903 6245938
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.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 3020-00-692-5686?
NSN 3020-00-692-5686 (3020006925686) — Helical Gear: SECO Parts has 218 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 3020-00-692-5686 available?
SECO Parts has 218 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-692-5686 cost?
SECO quotes NSN 3020-00-692-5686 on request, usually the same business day.
What part numbers cross-reference to NSN 3020-00-692-5686?
Part numbers that cross-reference this NSN include DU903, 6245938. 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.