Catalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-842-7840
Helical Gear P/N 5117102
In stock — 61 on our U.S. shelfNSN 3020-00-842-7840 3020008427840 NIIN 008427840
SECO Parts has 61 in stock of NSN 3020-00-842-7840 — 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
- Federal supply class
- FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 61 |
| Total | 61 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-842-7840 008427840 5117102 PC5117102 K-5117102
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
- Mounting hole type and quantity
- Axially Through Body First End Plain 6
- Features provided
- Single Helix
- Bore nominal diameter
- First End Inches 5.250
- Hardness rating
- Overall Rockwell C Minimum 26.0 and Rockwell C Maximum 32.0
- Bolt hole circle nominal diameter
- Axially Through Body First End Inches 6.120
- Material
- Overall Steel
- Material document and classification
- Overall Mfr Ref Single Material Response General -Otor Cor,G-86
- Attachment method
- Mounting Hole
- Pitch diameter
- 8.2500 in (nominal)
- Teeth quantity
- 78
- Counterbore nominal depth
- First End Inches 0.100
- Pressure angle
- Degrees 16.0000
- Helix angle
- Degrees 19.0114
- Body recess nominal depth
- First End Inches 0.687
- Face nominal width
- Inches 1.187
- Counterbore nominal diameter
- First End Inches 7.0600
- Mounting hole nominal diameter
- Axially Through Body First End Inches 0.390
- Tooth direction
- Right
- Nominal outside diameter
- Inches 8.495
- Tooth form
- Standard
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
5117102 PC5117102 K-5117102
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 3020-00-842-7840?
NSN 3020-00-842-7840 (3020008427840) — Helical Gear: SECO Parts has 61 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 3020-00-842-7840 available?
SECO Parts has 61 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-842-7840 cost?
SECO quotes NSN 3020-00-842-7840 on request, usually the same business day.
What part numbers cross-reference to NSN 3020-00-842-7840?
Part numbers that cross-reference this NSN include 5117102, PC5117102, K-5117102. 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.