NSN catalog · 90,963 partsCatalog › Mechanical Power Transmission Equipment › FSC 3020 › 3020-00-274-2906
Helical Gear P/N 641282
In stock — 1 on our U.S. shelfNSN 3020-00-274-2906 3020002742906 NIIN 002742906
SECO Parts has 1 in stock of NSN 3020-00-274-2906 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $55–$105 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
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 | 1 |
| Total | 1 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
3020-00-274-2906 002742906 641282 641282C 7741415
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
- Hardness rating
- Overall Rockwell B Minimum 86.0 and Rockwell B Maximum 97.0
- Helix angle
- Degrees 29.0000
- Teeth quantity
- 28
- Keyway nominal width
- Both Ends Inches 0.189
- Tooth direction
- Left
- Hub nominal diameter
- First End Inches 2.750
- Special features
- Two Puller Holes,Timing Mark 51 Deg 58 Min Plus or Minus 30 Min Ccw From Center Line of Keyway on Center Line of Tooth Space
- Material
- Overall Iron Cast
- Nominal outside diameter
- Inches 3.3985
- Pressure angle
- Degrees 14.5000
- Nominal distance between body face and protruding hub end
- First End Inches 0.1350
- Face nominal width
- Inches 1.062
- Bore nominal diameter
- Both Ends Inches 1.250
- Pitch diameter
- 3.2015 in (nominal)
- Features provided
- Single Helix
- Nominal distance from bore center to keyway bottom
- Both Ends Inches 0.7229
- 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
641282 641282C 7741415
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 1 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.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 3020-00-274-2906?
NSN 3020-00-274-2906 (3020002742906) — Helical Gear: SECO Parts has 1 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 3020-00-274-2906 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 3020-00-274-2906 cost?
SECO typically prices parts like NSN 3020-00-274-2906 at $55–$105 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 3020-00-274-2906?
Part numbers that cross-reference this NSN include 641282, 641282C, 7741415. 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.