NSN catalog · 90,963 partsCatalog › Vehicular Equipment Components › FSC 2520 › 2520-00-312-8348
Helical Gear P/N 7521376
In stock — 105 on our U.S. shelfNSN 2520-00-312-8348 2520003128348 NIIN 003128348
SECO Parts has 105 in stock of NSN 2520-00-312-8348 — Helical Gear — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $167.91 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, T/C INTER SHAF
- Federal supply class
- FSC 2520 — Vehicular Power Transmission Components
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 95 |
| Serviceable | SV | 10 |
| Total | 105 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
2520-00-312-8348 003128348 7521376 704T5 3892E1123
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
- Face nominal width
- Inches 1.375
- Nominal distance between body face and protruding hub end
- First End Inches 0.505
- Keyway nominal width
- Both Ends Inches 0.500
- Pressure angle
- Degrees 18.6460
- Tooth direction
- Right
- Helix angle
- Degrees 22.0000
- Hardness rating
- Teeth Rockwell C Nominal 62.0
- Nominal outside diameter
- Inches 6.5230
- Material document and classification
- Overall Fed STD Single Material Response Fed STD 66
- Pitch diameter
- 6.2586 in (nominal)
- Teeth quantity
- 33
- Features provided
- Single Helix
- Special features
- Hub Tapered 7 Deg Angle
- Material
- Overall Steel Comp 8620H
- Nominal distance from bore center to keyway bottom
- Both Ends Inches 0.505
- Hub nominal diameter
- First End Inches 3.500
- Bore nominal diameter
- Both Ends Inches 2.375
- 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
7521376 704T5 3892E1123
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 105 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 2520-00-312-8348?
NSN 2520-00-312-8348 (2520003128348) — Helical Gear: SECO Parts has 105 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for helical gear in federal supply class 2520 (Vehicular Power Transmission Components).
Is NSN 2520-00-312-8348 available?
SECO Parts has 105 in stock in Augusta, GA — order or request a quote below.
How much does NSN 2520-00-312-8348 cost?
The government catalog (FEDLOG) lists NSN 2520-00-312-8348 at $167.91 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 2520-00-312-8348?
Part numbers that cross-reference this NSN include 7521376, 704T5, 3892E1123. 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.